CN109563438A - 有机化合物 - Google Patents
有机化合物 Download PDFInfo
- Publication number
- CN109563438A CN109563438A CN201780049981.0A CN201780049981A CN109563438A CN 109563438 A CN109563438 A CN 109563438A CN 201780049981 A CN201780049981 A CN 201780049981A CN 109563438 A CN109563438 A CN 109563438A
- Authority
- CN
- China
- Prior art keywords
- methyl
- inden
- dihydro
- formula
- cdcl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 150000002894 organic compounds Chemical class 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims abstract description 47
- 239000003205 fragrance Substances 0.000 claims abstract description 21
- 150000001875 compounds Chemical class 0.000 claims description 88
- 238000000034 method Methods 0.000 claims description 33
- 239000002304 perfume Substances 0.000 claims description 26
- 239000001257 hydrogen Substances 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 21
- 239000004615 ingredient Substances 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 12
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 11
- 239000002537 cosmetic Substances 0.000 claims description 10
- 150000002431 hydrogen Chemical class 0.000 claims description 10
- 239000002671 adjuvant Substances 0.000 claims description 7
- 239000000796 flavoring agent Substances 0.000 claims description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 235000019634 flavors Nutrition 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000012876 carrier material Substances 0.000 claims description 3
- 235000013355 food flavoring agent Nutrition 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 125000000392 cycloalkenyl group Chemical group 0.000 claims 1
- SNWQUNCRDLUDEX-UHFFFAOYSA-N inden-1-one Chemical class C1=CC=C2C(=O)C=CC2=C1 SNWQUNCRDLUDEX-UHFFFAOYSA-N 0.000 abstract 1
- 235000013599 spices Nutrition 0.000 abstract 1
- HEDRZPFGACZZDS-MICDWDOJSA-N deuterated chloroform Substances [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 135
- 235000019645 odor Nutrition 0.000 description 61
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 42
- 239000000047 product Substances 0.000 description 41
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 34
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 33
- 238000005160 1H NMR spectroscopy Methods 0.000 description 33
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 26
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 26
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- 239000007788 liquid Substances 0.000 description 20
- 239000003921 oil Substances 0.000 description 19
- 235000019198 oils Nutrition 0.000 description 19
- -1 propylAlkyl Chemical class 0.000 description 19
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 18
- 241000220317 Rosa Species 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 17
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 14
- 125000005394 methallyl group Chemical group 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 13
- 229910000027 potassium carbonate Inorganic materials 0.000 description 13
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 12
- LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 description 12
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 10
- 239000012230 colorless oil Substances 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 9
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 9
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 8
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- FAVMIAXKDIUAKF-UHFFFAOYSA-N 2-methyl-6-(2-methylpropyl)-2,3-dihydroinden-1-one Chemical compound CC(C)CC1=CC=C2CC(C)C(=O)C2=C1 FAVMIAXKDIUAKF-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000012044 organic layer Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- GLZPCOQZEFWAFX-UHFFFAOYSA-N Geraniol Chemical compound CC(C)=CCCC(C)=CCO GLZPCOQZEFWAFX-UHFFFAOYSA-N 0.000 description 6
- 239000012300 argon atmosphere Substances 0.000 description 6
- QMVPMAAFGQKVCJ-UHFFFAOYSA-N citronellol Chemical compound OCCC(C)CCC=C(C)C QMVPMAAFGQKVCJ-UHFFFAOYSA-N 0.000 description 6
- QNXSIUBBGPHDDE-UHFFFAOYSA-N indan-1-one Chemical class C1=CC=C2C(=O)CCC2=C1 QNXSIUBBGPHDDE-UHFFFAOYSA-N 0.000 description 6
- 239000003446 ligand Substances 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 6
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 6
- GMJKJIUETGRADG-UHFFFAOYSA-N 6-bromo-2-methyl-2,3-dihydroinden-1-one Chemical compound C1=C(Br)C=C2C(=O)C(C)CC2=C1 GMJKJIUETGRADG-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- KCXNBYIRLUGZNP-UHFFFAOYSA-N 2,2-dimethyl-6-(2-methylpropyl)-3H-inden-1-one Chemical compound C(C(C)C)C1=CC=C2CC(C(C2=C1)=O)(C)C KCXNBYIRLUGZNP-UHFFFAOYSA-N 0.000 description 4
- BZAASELHDAYVFJ-UHFFFAOYSA-N 2,3-dimethyl-6-propyl-2,3-dihydroinden-1-one Chemical compound CCCC1=CC=C2C(C)C(C)C(=O)C2=C1 BZAASELHDAYVFJ-UHFFFAOYSA-N 0.000 description 4
- WQMYPDSAFDCWDP-UHFFFAOYSA-N 2-methyl-6-propan-2-yl-2,3-dihydroinden-1-one Chemical compound CC(C)C1=CC=C2CC(C)C(=O)C2=C1 WQMYPDSAFDCWDP-UHFFFAOYSA-N 0.000 description 4
- CSDPIDNEKUGKRT-UHFFFAOYSA-N 3-methyl-6-(2-methylpropyl)-2,3-dihydroinden-1-one Chemical compound CC(C)CC1=CC=C2C(C)CC(=O)C2=C1 CSDPIDNEKUGKRT-UHFFFAOYSA-N 0.000 description 4
- XXLWDJVPTWFULT-UHFFFAOYSA-N 3-methyl-6-propyl-2,3-dihydroinden-1-one Chemical compound CCCC1=CC=C2C(C)CC(=O)C2=C1 XXLWDJVPTWFULT-UHFFFAOYSA-N 0.000 description 4
- GMWXCOYOQNIWPE-UHFFFAOYSA-N 5-bromo-2-methyl-2,3-dihydroinden-1-one Chemical compound BrC1=CC=C2C(=O)C(C)CC2=C1 GMWXCOYOQNIWPE-UHFFFAOYSA-N 0.000 description 4
- SJSHLFVUXUVDLA-UHFFFAOYSA-N 6-(2-methylpropyl)-2,3-dihydroinden-1-one Chemical compound CC(C)CC1=CC=C2CCC(=O)C2=C1 SJSHLFVUXUVDLA-UHFFFAOYSA-N 0.000 description 4
- JJARVPPFJKHTKJ-UHFFFAOYSA-N 6-ethyl-2-methyl-2,3-dihydroinden-1-one Chemical compound CCC1=CC=C2CC(C)C(=O)C2=C1 JJARVPPFJKHTKJ-UHFFFAOYSA-N 0.000 description 4
- MBPFQYUQOCHADH-UHFFFAOYSA-N 6-hydroxy-2-methyl-2,3-dihydroinden-1-one Chemical compound C1=C(O)C=C2C(=O)C(C)CC2=C1 MBPFQYUQOCHADH-UHFFFAOYSA-N 0.000 description 4
- WACXEYOYERMXDO-UHFFFAOYSA-N 6-tert-butyl-2-methyl-2,3-dihydroinden-1-one Chemical compound C1=C(C(C)(C)C)C=C2C(=O)C(C)CC2=C1 WACXEYOYERMXDO-UHFFFAOYSA-N 0.000 description 4
- QHKFBWKOHWQEFW-UHFFFAOYSA-N 7-bromo-2-methyl-2,3-dihydroinden-1-one Chemical compound C1=CC(Br)=C2C(=O)C(C)CC2=C1 QHKFBWKOHWQEFW-UHFFFAOYSA-N 0.000 description 4
- 244000223760 Cinnamomum zeylanicum Species 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000012267 brine Substances 0.000 description 4
- 235000017803 cinnamon Nutrition 0.000 description 4
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 4
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 description 4
- 238000003818 flash chromatography Methods 0.000 description 4
- 150000002596 lactones Chemical class 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- HNQIVZYLYMDVSB-UHFFFAOYSA-N methanesulfonimidic acid Chemical compound CS(N)(=O)=O HNQIVZYLYMDVSB-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 238000010898 silica gel chromatography Methods 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 125000006729 (C2-C5) alkenyl group Chemical group 0.000 description 3
- OOCCDEMITAIZTP-QPJJXVBHSA-N (E)-cinnamyl alcohol Chemical compound OC\C=C\C1=CC=CC=C1 OOCCDEMITAIZTP-QPJJXVBHSA-N 0.000 description 3
- LVEYOSJUKRVCCF-UHFFFAOYSA-N 1,3-bis(diphenylphosphino)propane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCCP(C=1C=CC=CC=1)C1=CC=CC=C1 LVEYOSJUKRVCCF-UHFFFAOYSA-N 0.000 description 3
- XLQFWPSBOBTKJX-UHFFFAOYSA-N 2,5-dimethyl-3-propan-2-ylhex-5-en-3-ol Chemical compound CC(C)C(O)(C(C)C)CC(C)=C XLQFWPSBOBTKJX-UHFFFAOYSA-N 0.000 description 3
- IQHLLUZHVYLDHG-UHFFFAOYSA-N 2-ethyl-6-(2-methylpropyl)-2,3-dihydroinden-1-one Chemical compound C(C)C1C(C2=CC(=CC=C2C1)CC(C)C)=O IQHLLUZHVYLDHG-UHFFFAOYSA-N 0.000 description 3
- SORMENWWIVHSFD-UHFFFAOYSA-N 2-methyl-5-propyl-2,3-dihydroinden-1-one Chemical compound CC1C(C2=CC=C(C=C2C1)CCC)=O SORMENWWIVHSFD-UHFFFAOYSA-N 0.000 description 3
- NWYDCFZUSAAFDJ-UHFFFAOYSA-N 2-methyl-6-(2-methylpropoxy)-2,3-dihydroinden-1-one Chemical compound CC(C)COc1ccc2CC(C)C(=O)c2c1 NWYDCFZUSAAFDJ-UHFFFAOYSA-N 0.000 description 3
- UCONRJSUTSLMAA-UHFFFAOYSA-N 2-methyl-6-(3-methylbutyl)-2,3-dihydroinden-1-one Chemical compound C(CC(C)C)C1=CC=C2CC(C(C2=C1)=O)C UCONRJSUTSLMAA-UHFFFAOYSA-N 0.000 description 3
- CGGOCZOCSHPCRS-UHFFFAOYSA-N 2-methyl-6-propan-2-yloxy-2,3-dihydroinden-1-one Chemical compound CC(C)OC1=CC=C2CC(C)C(=O)C2=C1 CGGOCZOCSHPCRS-UHFFFAOYSA-N 0.000 description 3
- WOTCVCXPNQBBAZ-UHFFFAOYSA-N 2-methyl-6-propoxy-2,3-dihydroinden-1-one Chemical compound CCCOC1=CC=C2CC(C)C(=O)C2=C1 WOTCVCXPNQBBAZ-UHFFFAOYSA-N 0.000 description 3
- ZRPBLQBYLOYBTK-UHFFFAOYSA-N 2-methyl-6-propyl-2,3-dihydroinden-1-one Chemical compound CC1C(C2=CC(=CC=C2C1)CCC)=O ZRPBLQBYLOYBTK-UHFFFAOYSA-N 0.000 description 3
- ZLJKMZTVEFFFDH-UHFFFAOYSA-N 2-methyl-7-propyl-2,3-dihydroinden-1-one Chemical compound CC1C(C2=C(C=CC=C2C1)CCC)=O ZLJKMZTVEFFFDH-UHFFFAOYSA-N 0.000 description 3
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- AHMJTIYXKJRVFF-UHFFFAOYSA-N 4-bromo-2-methyl-2,3-dihydroinden-1-one Chemical compound O=C1C(C)CC2=C1C=CC=C2Br AHMJTIYXKJRVFF-UHFFFAOYSA-N 0.000 description 3
- HBRMAARYSZHOQP-UHFFFAOYSA-N 5-cyclopropyl-2-methyl-2,3-dihydroinden-1-one Chemical compound C1(CC1)C=1C=C2CC(C(C2=CC=1)=O)C HBRMAARYSZHOQP-UHFFFAOYSA-N 0.000 description 3
- TZDMMCXVGLCSSS-UHFFFAOYSA-N 6-butyl-2-methyl-2,3-dihydroinden-1-one Chemical compound CCCCc1ccc2CC(C)C(=O)c2c1 TZDMMCXVGLCSSS-UHFFFAOYSA-N 0.000 description 3
- ZABMAEZWPWOFED-UHFFFAOYSA-N 6-cyclopentyl-2-methyl-2,3-dihydroinden-1-one Chemical compound CC1CC2=CC=C(C=C2C1=O)C1CCCC1 ZABMAEZWPWOFED-UHFFFAOYSA-N 0.000 description 3
- MEKDVMIBVLKNGM-UHFFFAOYSA-N 6-cyclopropyl-2-methyl-2,3-dihydroinden-1-one Chemical compound C1=C2C(=O)C(C)CC2=CC=C1C1CC1 MEKDVMIBVLKNGM-UHFFFAOYSA-N 0.000 description 3
- YRNAAQTZGDOVKZ-UHFFFAOYSA-N 6-ethoxy-2-methyl-2,3-dihydroinden-1-one Chemical compound CCOC1=CC=C2CC(C)C(=O)C2=C1 YRNAAQTZGDOVKZ-UHFFFAOYSA-N 0.000 description 3
- JMBFIUWDHYTUNQ-UHFFFAOYSA-N 6-tert-butyl-3-methyl-2,3-dihydroinden-1-one Chemical compound CC(C)(C)C1=CC=C2C(C)CC(=O)C2=C1 JMBFIUWDHYTUNQ-UHFFFAOYSA-N 0.000 description 3
- OWIMJKZFHNTZPQ-UHFFFAOYSA-N 7-cyclopropyl-2-methyl-2,3-dihydroinden-1-one Chemical compound C1(CC1)C=1C=CC=C2CC(C(C=12)=O)C OWIMJKZFHNTZPQ-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- FKUPPRZPSYCDRS-UHFFFAOYSA-N Cyclopentadecanolide Chemical compound O=C1CCCCCCCCCCCCCCO1 FKUPPRZPSYCDRS-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 3
- 229910000024 caesium carbonate Inorganic materials 0.000 description 3
- 235000000484 citronellol Nutrition 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- WLVKDFJTYKELLQ-UHFFFAOYSA-N cyclopropylboronic acid Chemical compound OB(O)C1CC1 WLVKDFJTYKELLQ-UHFFFAOYSA-N 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- WPFVBOQKRVRMJB-UHFFFAOYSA-N hydroxycitronellal Chemical compound O=CCC(C)CCCC(C)(C)O WPFVBOQKRVRMJB-UHFFFAOYSA-N 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- CDOSHBSSFJOMGT-UHFFFAOYSA-N linalool Chemical compound CC(C)=CCCC(C)(O)C=C CDOSHBSSFJOMGT-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- ZRSNZINYAWTAHE-UHFFFAOYSA-N p-methoxybenzaldehyde Chemical compound COC1=CC=C(C=O)C=C1 ZRSNZINYAWTAHE-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- CZCBTSFUTPZVKJ-UHFFFAOYSA-N rose oxide Chemical compound CC1CCOC(C=C(C)C)C1 CZCBTSFUTPZVKJ-UHFFFAOYSA-N 0.000 description 3
- 238000002390 rotary evaporation Methods 0.000 description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000341 volatile oil Substances 0.000 description 3
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 3
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 2
- CRDAMVZIKSXKFV-GNESMGCMSA-N (2-trans,6-cis)-farnesol Chemical compound CC(C)=CCC\C(C)=C/CC\C(C)=C\CO CRDAMVZIKSXKFV-GNESMGCMSA-N 0.000 description 2
- AVJMJMPVWWWELJ-DHZHZOJOSA-N (2e)-1-methoxy-3,7-dimethylocta-2,6-diene Chemical compound COC\C=C(/C)CCC=C(C)C AVJMJMPVWWWELJ-DHZHZOJOSA-N 0.000 description 2
- 239000001490 (3R)-3,7-dimethylocta-1,6-dien-3-ol Substances 0.000 description 2
- KRLBLPBPZSSIGH-CSKARUKUSA-N (6e)-3,7-dimethylnona-1,6-dien-3-ol Chemical compound CC\C(C)=C\CCC(C)(O)C=C KRLBLPBPZSSIGH-CSKARUKUSA-N 0.000 description 2
- GLZPCOQZEFWAFX-JXMROGBWSA-N (E)-Geraniol Chemical compound CC(C)=CCC\C(C)=C\CO GLZPCOQZEFWAFX-JXMROGBWSA-N 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- HLVFKOKELQSXIQ-UHFFFAOYSA-N 1-bromo-2-methylpropane Chemical compound CC(C)CBr HLVFKOKELQSXIQ-UHFFFAOYSA-N 0.000 description 2
- VUKGUWPYEZUJMM-UHFFFAOYSA-N 2,3-dihydroinden-5-one Chemical compound C12=CC(C=CC2=CCC1)=O VUKGUWPYEZUJMM-UHFFFAOYSA-N 0.000 description 2
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- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
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- A—HUMAN NECESSITIES
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- A—HUMAN NECESSITIES
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Abstract
本发明涉及式(I)的二氢茚酮衍生物,其中R1,R2,R3和R4具有与说明书中给出的相同的含义。本发明还涉及包含它们的香料组合物和香料应用。
Description
本发明涉及具有高直接性和持久性的果香、花香嗅觉特性的二氢茚酮(indanone)衍生物。本发明还涉及它们的制备方法,以及含有它们的香料组合物。
在香料和香精工业中,调香师和调味师不断寻找具有高冲击性气味的新化合物,或赋予新的气味香型。果香化合物通常是轻的且在香水的创造中作为头香,因此在果香花香气味方向上的强力和相对低挥发性的化合物特别令人感兴趣,这使得它们作为广泛使用的持久气味香型是非常有吸引力的,特别是对于在织物护理产品中的用途。
取代的二氢茚酮类和茚满类已经在文献中被公开。一些已经被描述为适合作为香料成分。WO03072533A1描述了3,3-二甲基二氢茚酮类在香料中的应用,其具有革香、木香和藏红花样气味。US3,944,679公开了当给予到烟草、食品和饮料香精中时,2-和3-烷基取代的二氢茚酮类具有类似香豆素的气味。
令人惊讶的是,我们现在已经发现了一类新的取代二氢茚酮类,其具有非常强力和持久的果香、花香香型,具有青香方面(facets)。特别地,令人惊讶地发现,如下文所定义的式(I)的C-6取代的二氢茚酮衍生物与其C-4、C-5和C-7取代的对等物相比具有显著低的气味阈值。
如本文所用,“气味阈值”是指可通过嗅觉检测的空气中蒸气的最低浓度。一般而言,可以说具有低的气味阈值的化合物比具有高的气味阈值的化合物更强力,因此使得能够在香料组合物中使用非常低的浓度以实现嗅觉效果。
在第一实施方案中提供式(I)的化合物作为香料的用途
其中,
R1选自氢、甲基和乙基;
R2选自氢、甲基和乙基,且R3选自氢和甲基;或者
R2和R3与它们所连接的碳原子一起形成C3-C5环烷基(例如环丁基);
R4选自C2-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基,仲丁基),C2-C5烯基(如烯丙基,甲基烯丙基),C1-C4烷氧基(包括C2烷氧基和C3烷氧基,例如乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基),C3-C5环烷基(例如环丙基,环戊基)和C3-C6环烯基(例如环戊烯基,环丁烯基)。
式(I)的化合物包含一个或多个手性中心,并因此可以作为立体异构体的混合物存在,或者它们可以以对映异构体纯的形式拆分。
拆分立体异构体增加了这些化合物的制备和纯化的复杂性,因此,简单地出于经济原因,优选将这些化合物作为其立体异构体的混合物来使用。然而,如果需要制备单独的立体异构体,这可以根据本领域已知的方法例如制备型HPLC和GC,结晶或通过立体选择性合成来实现。
作为式(I)的化合物的具体实例,作为非限制性实例,可列举6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮,其具有非常强力的花香果香油脂气味,具有乳脂样内酯样仙酒酮样方面,和玫瑰香花香香质,具有玫瑰花瓣样和青香玫瑰醚方面。6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮具有一个手性碳中心。尽管两种对映异构体都具有非常相似的气味特征,但(S)-6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮比(R)-6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮更强力。
作为式(I)的化合物的进一步具体实例,作为非限制性实例,可列举6-(仲丁基)-2-甲基-2,3-二氢-1H-茚-1-酮,其是一种非常强力的成分,具有强烈的青香玫瑰香金属气味和青香革香似橡胶的方面,以及整体上油脂气味果香花香香质。
进一步地,非限制性实例是式(I)的化合物,其中R2或R3是氢。
进一步地,非限制性实例是式(I)的化合物,其中R2和R3是氢。
进一步地,非限制性实例是式(I)的化合物,其中R1、R2和R3中的至少一个不是氢。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基且R2和R3是氢。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,且R4选自C2-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基,仲丁基),C2-C5烯基(如烯丙基,甲基烯丙基)和C1-C4烷氧基(包括C2烷氧基和C3烷氧基,例如乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基)。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,且R4选自C3-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基)和C2-C4烷氧基(包括C2烷氧基和C3烷氧基,例如,乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基)。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,R2是氢,且R3是氢或甲基,且R4选自C3-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基)和C2-C4烷氧基(包括C2烷氧基和C3烷氧基,例如乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基)。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,R2、R3中的一个是氢且另一个是甲基,且R4选自C3-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基)和C2-C4烷氧基(包括C2烷氧基和C3烷氧基,例如乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基)。
进一步地,非限制性实例是式(I)的化合物,其中R3为甲基,R1和R2为氢,且R4选自C3-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基)和C2-C4烷氧基(包括C2烷氧基和C3烷氧基,例如乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基)。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,R2和R3是氢,且R4选自C2-C4烷氧基(包括C2烷氧基和C3烷氧基,例如乙氧基,丙氧基,异丙氧基,丁氧基,异丁氧基)和C3-C5环烷基(例如环丙基或环戊基)。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,R2和R3是氢,且R4选自C3-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基)和C3-C5环烷基(例如,环丙基或环戊基)。
进一步地,非限制性实例是式(I)的化合物,其中R1是甲基,R2和R3是氢,且R4选自C3-C5烷基(包括C3烷基和C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基)。
进一步地,非限制性实例是式(I)的化合物,其选自
3-甲基-6-丙基-2,3-二氢-1H-茚-1-酮;
6-异丁基-2,3-二氢-1H-茚-1-酮;
6-异丙基-2-甲基-2,3-二氢-1H-茚-1-酮;
6-(叔丁基)-2-甲基-2,3-二氢-1H-茚-1-酮;
2,3-二甲基-6-丙基-2,3-二氢-1H-茚-1-酮;
2-甲基-6-丙基-2,3-二氢-1H-茚-1-酮;
6-异丁基-3-甲基-2,3-二氢-1H-茚-1-酮;
6-异丁基-2,2-二甲基-2,3-二氢-1H-茚-1-酮;
6-(叔丁基)-3-甲基-2,3-二氢-1H-茚-1-酮;
6-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮;
6-环戊基-2-甲基-2,3-二氢-1H-茚-1-酮;
2-乙基-6-异丁基-2,3-二氢-1H-茚-1-酮;
6-乙基-2-甲基-2,3-二氢-1H-茚-1-酮;
6-异戊基-2-甲基-2,3-二氢-1H-茚-1-酮;
6-乙氧基-2-甲基-2,3-二氢-1H-茚-1-酮;
6-异丙氧基-2-甲基-2,3-二氢-1H-茚-1-酮;
2-甲基-6-丙氧基-2,3-二氢-1H-茚-1-酮;
6-异丁氧基-2-甲基-2,3-二氢-1H-茚-1-酮;
4-异丁基-6a-甲基-1a,6a-二氢环丙烷并[a]茚-6(1H)-酮;
2-甲基-6-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮;和
6-丁基-2-甲基-2,3-二氢-1H-茚-1-酮。
式(I)的化合物可以单独使用、作为立体异构体混合物使用或与已知的增香剂(odorant)分子结合使用,所述增香剂分子选自宽范围的目前可获得的天然分子或合成分子,如精油、醇类、醛类和酮类、醚类和缩醛类、酯类和内酯类、大环化合物类和杂环化合物类、和/或与一种或多种通常与香料组合物中的增香剂结合使用的成分或赋形剂,例如载体材料,以及其它常用在本领域的助剂结合使用。
如本文所用,“载体材料”是指从增香剂观点来看实际上是中性的材料,即不会显着改变增香剂的感官性质的材料。
术语“助剂(auxiliary agent)”是指可以在香料组合物中使用的成分,其原因与所述组合物的嗅觉性能没有特别的关系。例如,助剂可以是用作加工香料成分或含有所述成分的组合物的辅助剂(aid)的成分,或者它可以改进香料成分或含有香料成分的组合物的处理或储存。它也可能是一种提供额外好处的例如赋予颜色或质地成分。它也可以是赋予香料组合物中所含的一种或多种成分耐光性或化学稳定性的成分。通常用于含有它的香料组合物中的助剂(adjuvants)的性质和类型的详细描述不可能是详尽无遗的,但必须提到的是,所述成分是本领域技术人员公知的。
如本文所用,“香料组合物”是指包含式(I)的化合物和基质材料的任意组合物,所述基质材料例如为常用于与增香剂分子联用的稀释剂,例如邻苯二甲酸二乙酯(DEP)、一缩二丙二醇(DPG)、肉豆蔻酸异丙酯(IPM)、柠檬酸三乙酯(TEC)和醇(例如乙醇)。任选地,所述组合物可以包含抗氧化剂助剂。所述抗氧化剂可以选自TT(BASF)、Q(BASF)、生育酚(包括其异构体CAS59-02-9;364-49-8;18920-62-2;121854-78-2)、2,6-双(1,1-二甲基乙基)-4-甲基苯酚(BHT,CAS128-37-0)和相关酚类、氢醌类(CAS121-31-9)。
下列清单包括已知的增香剂分子的实例,其可以与本发明的化合物结合:
-精油和提取物,例如,海狸香、广木香根油、橡苔净油、香叶油、树苔净油、罗勒油、果油如香柠檬油和红桔油、香桃木油、玫瑰草油(palmarose oil)、广藿香油、橙叶油、茉莉油、玫瑰油、檀香木油、苦艾油、薰衣草油和/或依兰依兰油;
-醇类,例如肉桂醇((E)-3-苯基丙-2-烯-1-醇);顺式-3-己烯醇((Z)-己-3-烯-1-醇);香茅醇(3,7-二甲基辛-6-烯-1-醇);二氢月桂烯醇(2,6-二甲基辛-7-烯-2-醇);黑檀醇(EbanolTM)((E)-3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-4-烯-2-醇);丁香酚(4-烯丙基-2-甲氧基苯酚);乙基芳樟醇((E)-3,7-二甲基壬-1,6-二烯-3-醇);金合欢醇((2E,6Z)-3,7,11-三甲基十二碳-2,6,10-三烯-1-醇);香叶醇((E)-3,7-二甲基辛-2,6-二烯-1-醇);Super MuguetTM((E)-6-乙基-3-甲基辛-6-烯-1-醇);芳樟醇(3,7-二甲基辛-1,6-二烯-3-醇);薄荷醇(2-异丙基-5-甲基环己醇);橙花醇(3,7-二甲基-2,6-辛二烯-1-醇);苯基乙基醇(2-苯基乙醇);玫瑰醇(RhodinolTM)(3,7-二甲基辛-6-烯-1-醇);檀香(SandaloreTM)(3-甲基-5-(2,2,3-三甲基环戊-3-烯-1-基)戊-2-醇);松油醇(2-(4-甲基环己-3-烯-1-基)丙-2-醇);或木醇(TimberolTM)(1-(2,2,6-三甲基环己基)己-3-醇);2,4,7-三甲基辛-2,6-二烯-1-醇;和/或[1-甲基-2(5-甲基己-4-烯-2-基)环丙基]-甲醇;
-醛类和酮类,例如,大茴香醛(4-甲氧基苯甲醛);α戊基肉桂醛(2-亚苄基庚醛);GeorgywoodTM(1-(1,2,8,8-四甲基-1,2,3,4,5,6,7,8-八氢萘-2-基)乙酮);羟基香茅醛(7-羟基-3,7-二甲基辛醛);龙涎酮(Iso E)(1-(2,3,8,8-四甲基-1,2,3,4,5,6,7,8-八氢萘-2-基)乙酮);异甲基紫罗兰酮((E)-3-甲基-4-(2,6,6-三甲基环己-2-烯-1-基)丁-3-烯-2-酮);二氢茉莉酮酸甲酯(3-氧代-2-戊基环戊烷乙酸甲酯);3-(4-异丁基-2-甲基苯基)丙醛;麦芽酚;甲基柏木酮;甲基紫罗兰酮;马鞭草烯酮;和/或香草醛;
-醚类和缩醛类,例如,龙涎醚(3a,6,6,9a-四甲基-2,4,5,5a,7,8,9,9b-八氢-1H-苯并[e][1]苯并呋喃);香叶基甲基醚((2E)-1-甲氧基-3,7-二甲基辛-2,6-二烯);玫瑰醚(4-甲基-2-(2-甲基丙-1-烯-1-基)四氢-2H-吡喃);和/或香辣醚(2',2',3,7,7-五甲基螺[二环[4.1.0]庚烷-2,5'-[1,3]二噁烷]);
-酯类和内酯类,例如,乙酸苄酯、乙酸柏木酯(乙酸(1S,6R,8aR)-1,4,4,6-四甲基八氢-1H-5,8a-亚甲基甘菊环-6-基酯)、丙位癸内酯(6-戊基四氢-2H-吡喃-2-酮)、海佛麝香(丙酸2-(1-(3,3-二甲基环己基)乙氧基)-2-甲基丙酯);丙位十一内酯(5-庚基氧戊环-2-酮);和/或乙酸香根酯(乙酸(4,8-二甲基-2-丙-2-亚基-3,3a,4,5,6,8a-六氢-1H-甘菊环-6-基)酯);
-大环化合物类,例如,黄葵内酯((Z)-氧杂环十七碳-10-烯-2-酮);麝香T(1,4-二氧杂环十七烷-5,17-二酮);和/或环十五内酯(16-氧杂环十六烷-1-酮);和
-杂环化合物类,例如,异丁基喹啉(2-异丁基喹啉)。
式(I)的化合物可以用于多种加香的制品,例如,在任何精细和功能性香水领域,如香水(perfumes),空气护理产品,家用产品,洗衣产品,身体护理产品和化妆品。取决于具体制品和其它增香剂成分的性质和数量,化合物可以以广泛变化的量使用。该比例通常为制品的0.0001至30重量%。在一个实施方案中,本发明的化合物可以以0.001至0.3重量%(例如0.01至0.1,包括0.05重量%)的量用于织物柔软剂中。在另一个实施方案中,本发明化合物可以以0.01至30重量%(例如至多约10或至多20重量%),更优选0.01至5重量%的量用于精细香料中。然而,这些值仅作为示例给出,因为经验丰富的调香师也可以实现效果或者可以产生具有更低或更高浓度的新颖谐香。
在一个实施方案中提供加香的制品,其包含可接受量的至少一种式(I)的化合物或其混合物。例如,香料制品可包含0.000001重量%至90重量%(包括0.00001重量%;0.0001重量%,0.001重量%,0.01重量%,0.05重量%,0.1重量%,0.5重量%,1重量%,5重量%,8重量%,10重量%,15重量%,20重量%,25重量%,30重量%,50重量%,60重量%,65重量%),基于制品的总量。
如上所述的化合物可以简单地通过直接混合式(I)的化合物、或包含式(I)的化合物的香料组合物或其混合物与消费品基质而用于消费品基质中,或者其可以在早期步骤中用俘获材料例如聚合物、胶囊、微胶囊和纳米胶囊、脂质体、成膜剂、吸收剂例如碳或沸石、环状寡糖类及其混合物俘获,或者其可以化学键合到适于在施加外部刺激例如光、酶、氧等的情况下释放香味分子的底物上,且然后与消费品基质混合。
因此,本发明另外提供制造加香的制品的方法,该方法包括掺入作为香料成分的式(I)的化合物,通过直接混合该化合物与消费品基质,或通过混合包含式(I)的化合物的香料组合物、然后使用常规技术和方法将其与消费品基质混合来进行。通过添加嗅觉可接受量的如上所述的本发明化合物,将改进、增强或改变消费品基质的气味香型。
因此,本发明还提供通过向其中添加嗅觉可接受量的式(I)的化合物来改进、增强或改变消费品基质的方法。
本发明还提供加香的产品,其包含:
a)作为增香剂的式(I)的化合物或其混合物;和
b)消费品基质。
如本文所用,“消费品基质”是指用作消费品的组合物,以实现特定的作用,例如清洁,软化和护理等。这类产品的实例包括精细香料,例如香精(perfume)和淡香水(Eau deToilette);织物护理品,家用产品和个人护理产品,如化妆品,洗衣护理洗涤剂,漂洗调理剂,个人清洁组合物,洗碗机用洗涤剂,表面清洁剂;洗衣产品,例如柔软剂,漂白剂,洗涤剂;身体护理产品,例如洗发水,沐浴露;空气护理产品(包括优选含有挥发性且通常令人愉快的气味的化合物的产品,其有利地可以甚至以非常少的用量掩盖令人不愉快的气味)。用于生活区域的空气清新剂尤其含有天然和合成精油,例如松针油,柑橘油,桉树油,薰衣草油等,其量例如高达50重量%。作为气雾剂,它们倾向于含有较少量的这种精油,例如小于5%或小于2%重量,但另外包括化合物诸如乙醛(特别是<0.5%重量),异丙醇(特别是<5%重量),矿物油(特别是<5%重量)和推进剂。
化妆品包括:
(a)化妆品护肤品,特别是沐浴产品,皮肤洗地和清洁产品,护肤品,眼部化妆品,唇部护理产品,指甲护理产品,私密护理产品,足部护理产品;
(b)具有特定效果的化妆品,特别是防晒霜,鞣制产品,脱色产品,除臭剂,止汗剂,脱毛剂和剃须产品;
(c)化妆品牙科护理产品,特别是牙科和口腔护理产品,牙齿护理产品,牙科修复用清洁剂,牙科修复用粘合剂;和
(d)化妆品毛发护理产品,尤其是洗发香波,护发产品,头发定型产品,头发成型产品和染发产品。
该产品列表以举例说明的方式给出,并且不应被视为以任何方式限制。
尽管在文献中已经描述了属于上文定义的通式(I)的一些化合物,但是对于其它化合物仅分配了CAS编号,但没有公开定义它。仅分配了CAS号的化学结构是例如CAS1518118-62-1或CAS1337850-11-9。文献中公开的化合物用作中间体,例如催化剂的制备。例如,6-异丙基-2-甲基茚满-1-酮(即其中R1为甲基,R2和R3为氢且R4为异丙基的式(I)的化合物),其公开在WO2014/096282中,或者6-叔丁基-2-甲基茚满-1-酮(EP0582194)。然而,现有技术对于任何感官特性都保持沉默。就我们所知,大多数属于上文定义的通式(I)的化合物尚未在文献中被公开,因此它们本身是新颖的。
因此,在本发明的另一个方面提供式(I)的化合物
其中,
R1选自甲基和乙基;
R2是氢且R3是氢;或者
R2和R3与它们所连接的碳原子一起形成C3-C5环烷基(例如环丁基);且
R4选自C3-C5烷基(包括C4烷基,如丙基,异丙基,丁基,异丁基,叔丁基,仲丁基),C2-C5烯基(如烯丙基,甲基烯丙基),C3-C4烷氧基(例如丙氧基,异丙氧基,丁氧基,异丁氧基),C3-C5环烷基(例如环丙基,环戊基)和C3-C6环烯基(例如环戊烯基,环丁烯基);
条件是R4不是异丙基或叔丁基。
此外,非限制性实例是3-甲基-6-丙基-2,3-二氢-1H-茚-1-酮,6-异丁基-2,3-二氢-1H-茚-1-酮,2,3-二甲基-6-丙基-2,3-二氢-1H-茚-1-酮,6-异丁基-3-甲基-2,3-二氢-1H-茚-1-酮,6-异丁基-2,2-二甲基-2,3-二氢-1H-茚-1-酮和4-异丁基-6a-甲基-1a,6a-二氢环丙烷并[a]茚-6-(1H)-酮。
式(I)的化合物可以,例如,通过由布朗斯台德酸辅助的3-苯基丙酸或由路易斯酸辅助的其酰氯的分子内弗瑞德-克来福特(Friedel-Craft)酰化来制备。
或者,其中R4为烷基的式(I)的化合物可以通过相应的6-溴-二氢茚酮类与烷基或环烷基硼酸的钯催化的Suzuki偶联来制备。其中R4为烯基的式(I)的化合物可以通过相应的6-溴-二氢茚酮类与高烯丙基醇通过反式烯丙基化进行钯催化的烯丙基化来制备。并且其中R4是烷氧基的式(I)的化合物可以通过相应的6-羟基-二氢茚酮类与烷基卤化物的烷基化来制备。
现在参考以下非限制性实施例进一步描述本发明。这些实施例仅用于说明的目的,并且应理解,本领域技术人员可以进行变化和修改。
所有产物在后处理后通过快速色谱法(FC)使用Tsingdao Haiyang Chemical硅胶(200±300目)和硅胶Merck级(60埃)或蒸馏进行纯化。除非另有说明,否则使用异己烷:MTBE(10:1)的混合物作为洗脱剂。在CDCl3中测量NMR光谱,并且相对于TMS(1H NMR光谱)或相对于CDCl3(13C NMR光谱)报告如下:化学位移(δppm),耦合常数J,单位Hz。GC-MS分析在MSD5975质谱仪上运行并报告为m/z列表(相对强度)。除非另有说明,气味描述是指化合物的异构体混合物的气味。
实施例1:6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮
方法A:
在氩气氛下向具有磁力搅拌器的100mL三颈烧瓶中加入磷酸(85%水溶液,31.6g,0.274mol)。在30min内分小份加入五氧化二磷(20.0g,0.141mol)。将混合物加热至180℃并搅拌30min,然后冷却至80℃。然后加入3-(4-异丁基苯基)-2-甲基丙酸(8.00g,0.0363mol),然后在80℃下搅拌30min。将反应混合物冷却至室温并在剧烈搅拌下倒入500mL冰水中。将反应用MTBE(100mL×2)萃取。将合并的有机层依次用水(100mL×5)、饱和碳酸氢钠水溶液(30.0mL)和盐水(30.0mL)洗涤。有机层用无水硫酸镁干燥。通过旋转蒸发除去溶剂,粗产物通过快速色谱法(异己烷/MTBE=20/1)纯化,然后通过库格尔若装置(Kugelrohr)(140℃/0.1mbar)蒸馏,得到6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮(3.93g,19.4mmol,49%收率),为无色液体。
方法B:
在氩气氛下向具有磁力搅拌器的500mL三颈烧瓶中加入3-(4-异丁基苯基)-2-甲基丙酸(50.0g,0.227mol)在二氯甲烷(200mL)中的溶液。将反应冷却至0℃。在20min内逐滴加入SOCl2(24.8mL,340mmol)。将反应加热并回流2小时。将反应混合物冷却至室温。通过旋转蒸发器除去溶剂和过量的SOCl2,得到粗酰氯,将其溶于二氯甲烷(50mL)并未经进一步纯化用于下一步。在氩气氛下向另一个具有磁力搅拌器的500mL三颈烧瓶中加入三氯化铝(33.3g,250mmol)在二氯甲烷(300mL)中的溶液。将反应冷却至0℃。在30min内逐滴加入上述二氯甲烷中的酰氯溶液。加完后,将反应混合物在室温下搅拌过夜。在剧烈搅拌下将反应物倒入500mL冰水中。用二氯甲烷(100mL×2)萃取反应。合并的有机层依次用水(150mL×2)、饱和碳酸氢钠水溶液(100mL)和盐水(50mL)洗涤。用无水硫酸镁干燥有机层。通过旋转蒸发除去溶剂,粗产物通过快速色谱法(异己烷/MTBE=20/1)纯化,然后通过库格尔若装置(140℃/0.1mbar)蒸馏,得到6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮(39.0g,193mmol,85%收率),为无色液体。
方法C:
在氩气氛下,在配有冷凝器和滴液漏斗的100mL三颈圆底烧瓶中加入6-溴-2-甲基-2,3-二氢-1H-茚-1-酮(0.300g,1.33mmol),异丁基硼酸(0.272g,2.67mmol),碳酸钾(0.553g,4.00mmol)和甲苯(20mL)。搅拌所得溶液,并加入乙酸钯(II)(0.015g,0.067mmol)和1,3-双(二苯基膦基)丙烷(dppp,0.033g,0.080mmol)在甲苯(8mL)中的混合物。添加后,将反应溶液加热至回流2小时。通过GC分析监测反应的转化。反应完成后,将混合物冷却至10℃并将反应溶液倒入水(30mL)中。分离有机相,并将水层用MTBE(30mL×2)萃取。合并的有机层用盐水(20mL)洗涤,干燥(MgSO4),并真空蒸发。通过硅胶色谱法(异己烷/MTBE=50/1)纯化粗油,得到6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮(0.189g,70%收率),为无色液体。
1H NMR(300MHz,CDCl3):δ=7.53(s,1H),7.27-7.40(m,2H),3.36(dd,J=18.0,9.0Hz,1H),2.65-2.74(m,2H),2.52(d,J=7.2Hz,2H),1.83-1.92(m,1H),1.31(d,J=7.2Hz,3H),0.90(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),151.1(s),141.1(s),136.4(s),136.0(d),126.1(d),124.0(d),44.9(t),42.3(d),34.6(t),30.2(q),22.2×2(q),16.3(q)ppm;GC/MS(EI):m/z(%):202(55)[M+],187(11),159(100),145(29),131(23),91(14),77(6)。
气味描述:花香果香油脂气味,乳脂样内酯样气味,仙酒酮样气味,玫瑰香,玫瑰花瓣气味,青香玫瑰醚样气味。
实施例2:3-甲基-6-丙基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物。从3-(4-丙基苯基)丁酸(5.28g,25.6mmol)起始,然后通过库格尔若装置(140℃/0.10mbar)蒸馏,得到3-甲基-6-丙基-2,3-二氢-1H-茚-1-酮,为无色油状物(2.50g,51%收率)。
气味描述:青香,花香,薄荷香,茉莉酮香,茉莉香,camonal气味。
1H NMR(300MHz,CDCl3):δ=7.54(s,1H),7.39-7.46(m,2H),3.37-3.43(m,1H),2.94(dd,J=18.9,7.2Hz,1H),2.64(t,J=7.6Hz,2H),2.27(dd,J=18.9,3.3Hz,1H),1.59-1.72(m,2H),1.39(d,J=7.2Hz,3H),0.93(t,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=206.6(s),157.7(s),142.2(s),136.6(s),135.6(d),125.0(d),122.8(d),45.7(t),37.5(t),32.5(d),24.4(t),21.4(q),13.7(q)ppm;GC/MS(EI):m/z(%):188(70)[M+],173(73),159(100),145(20),131(31),115(28),91(12)。
实施例3:6-异丁基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物。从3-(4-异丁基苯基)丙酸(45.0g,218mmol)开始,然后通过库格尔若装置(140℃/0.14mbar)蒸馏,得到6-异丁基-2,3-二氢-1H-茚-1-酮,为无色油状物(22.0g,54%收率)。
气味描述:青香花香,苯甲酸异丁酯气味。
1H NMR(300MHz,CDCl3):δ=7.53(s,1H),7.35-7.41(m,2H),3.10(t,J=6.0Hz,2H),2.70(t,J=6.0Hz,2H),2.53(d,J=7.2Hz,2H),1.80-1.92(m,1H),0.90(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=207.3(s),152.9(s),141.1(s),137.1(s),135.9(d),126.2(d),123.7(d),44.9(t),36.6(t),30.2(d),25.4(t),22.2×2(q)ppm;GC/MS(EI):m/z(%):188(60)[M+],173(1),146(100),115(34),104(26),91(16),77(5)。
实施例4:6-异丙基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物。从3-(4-异丙基苯基)-2-甲基丙酸(10.0g,48.5mmol)开始,然后通过库格尔若装置(140℃/0.10mbar)蒸馏,得到6-异丙基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(6.80g,74%收率)。
气味描述:青香油脂气味,内酯样气味果香,玫瑰香金属气味。
1H NMR(300MHz,CDCl3):δ=7.63(s,1H),7.46-7.49(m,1H),7.37(d,J=7.8Hz,1H),3.32-3.40(m,1H),2.93-3.02(m,1H),2.65-2.75(m,2H),1.31(d,J=7.2Hz,3H),1.27(d,J=6.9Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),151.3(s),148.5(s),136.5(s),133.8(d),126.4(d),121.2(d),42.4(d),34.6(t),33.9(d),24.0×2(q),16.4(q)ppm;GC/MS(EI):m/z(%):188(43)[M+],173(100),145(17),117(26),91(10),77(4)
实施例5:6-(叔丁基)-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物。从3-(4-(叔丁基)苯基)-2-甲基丙酸(10.0g,45.4mmol)开始,然后通过库格尔若装置(140℃/0.14mbar)蒸馏,得到6-(叔丁基)-2-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(7.50g,82%收率)。
气味描述:青香油脂气味,内酯样气味果香,轻微的油脂气味肉桂气味。
1H NMR(300MHz,CDCl3):δ=7.78(s,1H),7.65-7.68(m,1H),7.39(d,J=7.8Hz,1H),3.32-3.40(m,1H),2.65-2.75(m,2H),1.34(s,9H),1.31(d,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.8(s),150.9(s),150.9(s),136.3(s),132.5(d),126.1(d),120.3(d),42.4(d),34.8(s),34.5(t),31.4×3(q),16.4(q)ppm;GC/MS(EI):m/z(%):202(23)[M+],187(100),159(15),131(19),115(10),91(6),77(2)。
实施例6:2,3-二甲基-6-丙基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物。从2-甲基-3-(4-丙基苯基)丁酸(8.00g,36.3mmol)开始,然后通过库格尔若装置(140℃/0.10mbar)蒸馏,得到2,3-二甲基-6-丙基-2,3-二氢-1H-茚-1-酮,为无色油状物(1.50g,20%收率)。
气味描述:青香油脂气味油香,油脂气味果香内酯样气味,金属气味玫瑰香。
1H NMR(300MHz,CDCl3):δ=7.54(s,1H),7.28-7.486(m,2H),2.85-2.94(m,1H),2.64(t,J=7.5Hz,2H),2.19-2.74(m,1H),1.59-1.71(m,2H),1.44(d,J=7.2Hz,3H),1.31(d,J=7.5Hz,3H),0.94(t,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=208.6(s),155.5(s),142.2(s),136.0(s),135.5(d),124.6(d),122.9(d),51.8(d),41.4(d),37.6(t),24.5(t),19.2(q),14.2(q),13.7(q)ppm;GC/MS(EI):m/z(%):202(40)[M+],187(100),173(24),145(14),115(15),91(6),77(3)。
实施例7:2-甲基-6-丙基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物从2-甲基-3-(4-丙基苯基)丙酸(6.00g,29.1mmol)开始,然后通过库格尔若装置(160℃/0.20mbar)蒸馏,得到2-甲基-6-丙基-2,3-二氢-1H-茚-1-酮为无色油状物(3.50g,64%收率)。
气味描述:青香,花香,油脂气味,玫瑰香肉桂气味。
1H NMR(300MHz,CDCl3):δ=7.57(s,1H),7.34-7.43(m,2H),3.36(dd,J=18.0,9.0Hz,1H),2.61-2.74(m,4H),1.59-1.71(m,2H),1.30(d,J=7.2Hz,3H),0.93(t,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),151.1(s),142.1(s),136.5(s),135.5(d),126.2(d),123.3(d),42.3(d),37.6(t),34.6(t),24.5(t),16.3(q),13.7(q)ppm;GC/MS(EI):m/z(%):188(62)[M+],173(70),159(100),145(19),131(31),91(16),77(7)。
实施例8:6-异丁基-3-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法B制备标题化合物。从3-(4-异丁基苯基)丁酸(25.0g,113mmol)开始,然后通过库格尔若装置(150℃/0.10mbar)蒸馏,得到6-异丁基-3-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(15.0g,65%收率)。
气味描述:青香玫瑰香,油脂气味,金属气味玫瑰香,油脂气味果香花香。
1H NMR(300MHz,CDCl3):δ=7.50(s,1H),7.41(s,2H),3.37-3.43(m,1H),2.93(dd,J=19.2,7.5Hz,1H),2.53(d,J=7.2Hz,2H),2.27(dd,J=18.9,2.7Hz,1H),1.80-1.94(m,1H),1.39(d,J=7.2Hz,3H),0.90(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=206.7(s),157.7(s),141.2(s),136.4(s),136.1(d),124.9(d),123.4(d),45.7(t),44.9(t),32.5(d),30.2(d),22.2×2(q),21.4(q)ppm;GC/MS(EI):m/z(%):202(65)[M+],187(11),159(100),145(27),131(22),115(29),91(13),77(4)。
实施例9:6-异丁基-2,2-二甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法A制备标题化合物。从3-(4-异丁基苯基)-2,2-二甲基丙酸(5.36g,22.9mmol)开始,然后通过库格尔若装置(150℃/0.10mbar)蒸馏,得到6-异丁基-2,2-二甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(3.50g,71%收率)。
气味描述:花香油脂气味,果香,青香,似橡胶气味,铃兰香。
1H NMR(300MHz,CDCl3):δ=7.54(s,1H),7.31-7.40(m,2H),2.96(s,2H),2.52(d,J=7.2Hz,2H),1.83-1.92(m,1H),1.23(s,6H),0.90(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=211.6(s),149.8(s),141.2(s),136.2(d),135.3(s),126.2(d),124.4(d),45.8(s),45.0(t),42.5(t),30.2(d),25.3×2(q),22.3×2(q)ppm;GC/MS(EI):m/z(%):216(59)[M+],201(100),173(87),159(21),115(17)。
实施例10:6-(叔丁基)-3-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法B制备标题化合物。从3-(4-(叔丁基)苯基)丁酸(4.43g,20.1mmol)开始,然后通过库格尔若装置(150℃/0.10mbar)蒸馏,得到6-(叔丁基)-3-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(2.60g,64%收率)。
气味描述:果香,花香。
1H NMR(300MHz,CDCl3):δ=7.75(d,J=1.8Hz,1H),7.68(dd,J=8.1,1.8Hz,1H),7.44(d,J=8.1Hz,1H),3.36-3.42(m,1H),2.93(dd,J=18.9,7.5Hz,1H),2.26(dd,J=18.9,3.3Hz,1H),1.39(d,J=6.6Hz,3H),1.34(s,9H)ppm;13C NMR(75MHz,CDCl3):δ=206.6(s),157.4(s),150.8(s),136.3(s),132.5(d),124.9(d),119.6(d),45.7(t),34.7(s),32.3(d),31.3×3(q),21.3(q)ppm;GC/MS(EI):m/z(%):202(22)[M+],187(100),159(19),145(21),91(6),77(4)。
实施例11:6-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。6-溴-2-甲基-2,3-二氢-1H-茚-1-酮(1.50g,6.66mmol),环丙基硼酸(1.15g,13.33mmol),碳酸钾(2.76g,20.0mmol),乙酸钯(II)(0.075g,0.333mmol)和1,1'-双(二苯基膦基)二茂铁(dppf配体;0.222g,0.400mmol)在甲苯(30mL)中的溶液在氩气氛下回流反应2小时,然后通过库格尔若装置(135℃/0.10mbar)蒸馏,得到6-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色液体(1.00g,81%收率)。
气味描述:青香,油脂气味,花香,玫瑰香金属气味。
1H NMR(300MHz,CDCl3):δ=7.39(s,1H),7.29-7.36(m,2H),3.33(dd,J=17.7,5.7Hz,1H),2.61-2.71(m,2H),1.88-1.97(m,1H),1.28(d,J=7.2Hz,3H),0.95-1.01(m,2H),0.68-0.73(m,2H)ppm;13C NMR(75MHz,CDCl3):δ=209.5(s),150.8(s),143.7(s),136.4(s),133.2(d),126.2(d),119.9(d),42.3(d),34.5(t),16.3(q),15.1(d),9.5×2(t)ppm;GC/MS(EI):m/z(%):186(72)[M+],171(100),158(16),143(30),128(42),115(45),91(10)。
实施例12:6-环戊基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。6-溴-2-甲基-2,3-二氢-1H-茚-1-酮(2.00g,8.89mmol),环戊基硼酸(2.03g,17.8mmol),碳酸钾(3.68g,26.7mmol),乙酸钯(II)(0.080g,0.355mmol)和1,1'-双(二苯基膦基)二茂铁(dppf配体;0.246g,0.444mmol)在甲苯(20mL)中的溶液在氩气氛下回流反应2h,然后通过库格尔若装置(140℃/0.15mbar)蒸馏,得到6-环戊基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色液体(0.50g,26%收率)。
气味描述:果香油脂气味花香,桃香,青香玫瑰香。
1H NMR(300MHz,CDCl3):δ=7.63(s,1H),7.48(d,J=7.8Hz,1H),7.35(d,J=7.8Hz,1H),3.35(dd,J=18.0,9.0Hz,1H),2.98-3.10(m,1H),2.64-2.73(m,2H),2.07-2.09(m,2H),1.58-1.81(m,6H),1.30(d,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),151.2(s),146.2(s),136.4(s),134.4(d),126.2(d),121.8(d),45.6(d),42.4(d),34.7×2(t),34.6(t),25.5×2(t),16.4(q)ppm;GC/MS(EI):m/z(%):214(100)[M+],199(55),186(39),172(61),157(47),143(32),129(59),115(40)。
实施例13:2-乙基-6-异丁基-2,3-二氢-1H-茚-1-酮
向(E)-2-(4-异丁基亚苄基)丁醛(5.35g,24.7mmol)在甲苯(50mL)中的溶液中添加甲磺酰胺(2.82g,29.7mmol)和氯化铁(III)(0.80g,4.9mmol)。将混合物搅拌并加热至65℃保持16小时。在醛完全消耗(通过GC监测)后,将反应冷却至室温。然后加入甲醇(30mL)和氢氧化钠(2.47g,61.8mmol)的水(20mL)溶液。将混合物在室温下搅拌2小时。然后将所得混合物用甲醇(30ml)处理,并用37%氯化氢(6.25ml,74.2mmol)逐滴处理,加热至70℃并搅拌过夜。冷却后,加入水(200ml),并将溶液用MTBE(100×3mL)萃取。将合并的有机层用盐水洗涤,用MgSO4干燥,过滤并浓缩,得到粗产物。通过硅胶色谱法(己烷:MTBE=50:1)纯化残余物,然后通过库格尔若装置(160℃/0.15mbar)蒸馏,得到2-乙基-6-异丁基-2,3-二氢-1H-茚-1-酮,为无色油状物(2.60g,49%收率)。
气味描述:花香油脂气味青香,油香肉桂气味,仙酒酮气味。
1H NMR(300MHz,CDCl3):δ=7.52(s,1H),7.34-7.40(m,2H),3.28(dd,J=17.1,7.8Hz,1H),2.78(dd,J=17.1,3.9Hz,1H),2.58-2.65(m,1H),2.52(d,J=7.2Hz,2H),1.80-2.04(m,2H),1.46-1.60(m,1H),1.01(t,J=7.5Hz,3H),0.90(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=209.2(s),151.5(s),141.1(s),137.0(s),136.0(d),126.1(d),123.8(d),49.2(d),44.9(t),32.0(t),30.2(d),24.5(t),22.3×2(q),11.7(q)ppm;GC/MS(EI):m/z(%):216(7)[M+],188(100),173(33),145(36),131(20),91(7),77(7)。
实施例14:6-乙基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例13中所述的通用方法制备标题化合物,从(E)-3-(4-乙基苯基)-2-甲基丙烯醛(5.0g,28.7mmol),甲磺酰胺(4.09g,43.0mmol)和氯化铁(III)(0.931g,5.74mmol)开始,然后通过库格尔若装置(150℃/0.12mbar)蒸馏,得到6-乙基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(1.30g,26%收率)。
气味描述:青香薄荷香花香,香芹酮气味茉莉香果香。
1H NMR(300MHz,CDCl3):δ=7.58(s,1H),7.34-7.44(m,2H),3.35(dd,J=18.0,8.7Hz,1H),2.65-2.73(m,4H),1.22-1.31(m,6H)ppm;13C NMR(75MHz,CDCl3):δ=209.6(s),151.1(s),143.7(s),136.5(s),135.0(d),126.3(d),122.6(d),42.3(d),34.6(t),28.5(t),16.3(q),15.6(q)ppm;GC/MS(EI):m/z(%):174(60)[M+],159(100),145(23),131(32),115(22),91(13),77(7)。
实施例15:6-(仲丁基)-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例13中所述的通用方法制备标题化合物。从(E)-3-(4-(仲丁基)苯基)-2-甲基丙烯醛(5.00g,14.8mmol),甲磺酰胺(1.69g,17.8mmol)和氯化铁(III)(0.481g,2.97mmol)开始,然后通过库格尔若装置(150℃/0.08mbar)蒸馏,得到6-乙基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(1.00g,33%收率)。
气味描述:青香玫瑰香金属气味,青香革香,油脂气味花香。
(两种异构体的混合物,比例为1:1)1H NMR(300MHz,CDCl3):δ=7.59(s,1H),7.38-7.44(m,2H),3.32-3.41(m,1H),2.66-2.73(m,3H),1.58-1.63(m,2H),1.31(d,J=7.2Hz,3H),1.25(d,J=6.9Hz,3H),0.81(t,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.8(s),151.3(s),147.2(s),136.5(s),134.4(d),134.3(d),126.3(d),121.9(d),121.9(d),42.4(d),41.4(d),34.6(t),31.1(t),21.9(q),16.3(q),12.2(q)ppm;GC/MS(EI):m/z(%):202(30)[M+],187(5),173(100),159(7),117(27),91(8),77(4)
实施例16:6-异戊基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例13中所述的通用方法制备标题化合物。从(E)-3-(4-异戊基苯基)-2-甲基丙烯醛(5.00g,18.5mmol),甲磺酰胺(2.11g,22.2mmol)和氯化铁(III)(0.600g,3.70mmol)开始,然后通过库格尔若装置(162℃/0.10mbar)蒸馏,得到6-异戊基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色油状物(1.30g,33%收率)。
气味描述:青香玫瑰香,油脂气味内酯样气味,玫瑰香粉香,肉桂酸样气味。
1H NMR(300MHz,CDCl3):δ=7.57(s,1H),7.32-7.42(m,2H),3.34(dd,J=18.0,8.7Hz,1H),2.62-2.70(m,4H),1.46-1.62(m,3H),1.29(d,J=7.2Hz,3H),0.93(d,J=6.9Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=209.5(s),151.0(s),142.5(s),136.5(s),135.4(d),126.3(d),123.1(d),42.3(d),40.8(t),34.6(t),33.3(t),27.5(d),22.5×2(q),16.3(q)ppm;GC/MS(EI):m/z(%):216(80)[M+],201(30),187(1),159(98),132(100),118(55),104(55),91(23),77(8)。
实施例17:6-乙氧基-2-甲基-2,3-二氢-1H-茚-1-酮
在室温下向6-羟基-2-甲基-2,3-二氢-1H-茚-1-酮(2.00g,12.3mmol)在N,N-二甲基甲酰胺(30mL)中的溶液中,添加碘乙烷(2.50g,16.0mmol)和碳酸钾(1.87g,13.5mmol)。将混合物在55℃和氩气氛下加热6小时。将反应冷却至室温,用水(60mL)淬灭并用MTBE(30mL×3)萃取。将合并的有机层用MgSO4干燥,过滤并浓缩。通过硅胶色谱法(异己烷/MTBE=9/1)纯化残余物,然后通过库格尔若装置(145℃/0.10mbar)蒸馏,得到6-乙氧基-2-甲基-2,3-二氢-1H-茚-1-酮,为白色粉末(2.00g,85%收率)。
气味描述:青香,腊样气味果香,玫瑰香。
1H NMR(300MHz,CDCl3):δ=7.33(d,J=9.0Hz,1H),7.16-7.19(m,2H),4.06(q,J=6.9Hz,2H),3.32(dd,J=16.5,7.5Hz,1H),2.70-2.76(m,1H),2.64(dd,J=16.5,3.6Hz,1H),1.42(t,J=6.9Hz,3H),1.31(d,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.5(s),158.7(s),146.1(s),137.4(s),127.2(d),124.5(d),105.8(d),63.8(t),42.8(d),34.3(t),16.4(q),14.7(q)ppm;GC/MS(EI):m/z(%):190(80)[M+],175(35),162(16),147(100),133(35),119(11),105(10)。
实施例18:6-异丙氧基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例17中所述的通用方法制备标题化合物。将6-羟基-2-甲基-2,3-二氢-1H-茚-1-酮(1.00g,6.17mmol),2-溴丙烷(3.41g,27.7mmol)和碳酸钾(2.81g,20.3mmol)在二甲基-甲酰胺(DMF;30mL)中在55℃氩气下反应6小时,得到6-异丙氧基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色液体(0.90g,收率72%)。
气味描述:青香玫瑰香油脂气味花香,轻微的油脂气味果香,金属气味玫瑰香。
1H NMR(300MHz,CDCl3):δ=7.31-7.40(m,1H),7.13-7.18(m,2H),4.56-4.60(m,1H),3.31(dd,J=16.5,7.5Hz,1H),2.60-2.76(m,2H),1.34(d,J=6.0Hz,6H),1.30(d,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.5(s),157.6(s),145.9(s),137.4(s),127.3(d),125.6(d),107.3(d),70.2(d),42.8(d),34.2(t),21.9(q),21.9(q),16.4(q)ppm;GC/MS(EI):m/z(%):204(33)[M+],189(1),162(50),147(100),105(7),91(5),77(8)
实施例19:2-甲基-6-丙氧基-2,3-二氢-1H-茚-1-酮
按照实施例17中所述的通用方法制备标题化合物。将6-羟基-2-甲基-2,3-二氢-1H-茚-1-酮(2.00g,12.3mmol)、1-溴-2-甲基丙烷(7.60g,55.5mmol)和碳酸钾(2.38g,17.3mmol)在丙酮(30mL)中在氩气氛下回流6h,得到2-甲基-6-丙氧基-2,3-二氢-1H-茚-1-酮,为白色粉末(1.30g,52%收率)。
气味描述:腊样气味,油脂气味果香,青香花香。
1H NMR(300MHz,CDCl3):δ=7.32(d,J=9.0Hz,1H),7.17-7.20(m,2H),3.94(t,J=6.3Hz,2H),3.32(dd,J=16.5,7.5Hz,1H),2.70-2.76(m,1H),2.64(dd,J=16.5,3.9Hz,1H),1.76-1.87(m,2H),1.30(d,J=7.5Hz,3H),1.04(t,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.5(s),158.9(s),146.0(s),137.4(s),127.2(d),124.5(d),105.9(d),69.9(t),42.8(d),34.3(t),22.4(t),16.4(q),10.5(q)ppm;GC/MS(EI):m/z(%):204(52)[M+],189(1),162(42),147(100),134(25),115(10),91(10)。
实施例20:6-异丁氧基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例17中所述的通用方法制备标题化合物。将6-羟基-2-甲基-2,3-二氢-1H-茚-1-酮(2.00g,12.3mmol)、1-溴-2-甲基丙烷(7.60g,55.5mmol)和碳酸钾(5.62g,40.7mmol)在DMF(30mL)中在55℃氩气氛下反应6小时,得到6-异丁氧基-2-甲基-2,3-二氢-1H-茚-1-酮(1.90g,71%收率),为无色液体。
气味描述:花香果香油脂气味,青香茴香气味。
1H NMR(300MHz,CDCl3):δ=7.33(d,J=8.1Hz,1H),7.17-7.21(m,2H),3.75(d,J=6.6Hz,2H),3.32(dd,J=16.5,7.5Hz,1H),2.70-2.79(m,1H),2.64(dd,J=16.5,3.6Hz,1H),2.02-2.16(m,1H),1.31(d,J=7.2Hz,3H),1.02(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=209.5(s),159.0(s),146.0(s),137.4(s),127.2(d),124.5(d),105.9(d),74.8(t),42.8(d),34.3(t),28.1(d),19.2×2(q),16.4(q)ppm;GC/MS(EI):m/z(%):218(41)[M+],203(1),162(70),147(100),134(26),115(11),91(8)。
实施例21:4-异丁基-6a-甲基-1a,6a-二氢环丙烷并[a]茚-6(1H)-酮
在250mL三颈圆底烧瓶中加入4-异丁基-6a-甲基-1,1a,6,6a-四氢环丙烷并[a]茚-6-醇(0.40g,1.85mmol)的二氯甲烷(50mL)溶液,得到无色溶液。加入氯铬酸吡啶鎓(1.00g,4.62mmol)。将反应混合物在室温下搅拌2小时直至转化完成。将反应物用异己烷(100mL)稀释,然后通过小硅胶垫过滤。用二氯甲烷和异己烷冲洗硅胶。浓缩合并的滤液,得到黄色残余物,将其通过柱色谱法(异己烷/MTBE=20/1)进一步纯化,得到4-异丁基-6a-甲基-1a,6a-二氢环丙烷并[a]茚-6(1H)-酮(60mg,15%收率),为浅黄色液体。
气味描述:油脂气味,果香,青香,花香,具有一些似橡胶的方面。
1H NMR(300MHz,CDCl3):δ=7.34(s,1H),7.12-7.21(m,2H),2.58-2.61(m,1H),2.38(d,J=6.9Hz,2H),1.70-1.79(m,1H),1.44(s,3H),1.29-1.31(m,2H),0.79(d,J=6.9Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=205.0(s),152.2(s),140.4(s),134.6(d),133.8(s),125.0(d),123.7(d),44.9(t),39.8(t),33.1(s),30.2(d),28.2(d),22.2×2(q),13.6(q)ppm;GC/MS(EI):m/z(%):214(37)[M+],199(2),171(100),158(18),128(40),115(13)。
实施例22:2-甲基-6-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮
将碳酸铯(3.26g,10.0mmol)置于配有冷凝器的100mL三颈反应烧瓶中。在反应烧瓶中加入乙酸钯(II)(0.075g,0.333mmol)和三苯基膦(0.35g,1.33mmol)。然后将烧瓶充满氩气。在室温下依次加入甲苯(35mL),3-异丙基-2,5-二甲基己-5-烯-3-醇(1.36g,8.00mmol)和6-溴-2-甲基-2,3-二氢-1H-茚-1-酮(1.50g,6.66mmol)。将得到的混合物加热回流2小时。将混合物冷却至室温后,将其通过短硅胶垫过滤,并用MTBE(100mL)洗涤。通过旋转蒸发除去溶剂,并通过硅胶色谱法(异己烷/MTBE=50/1)纯化残余物,得到2-甲基-6-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮(1.20g,90%收率),为浅黄色油状物。
气味描述:油脂气味,果香,青香,花香,肉桂气味肉桂酸样气味。
1H NMR(300MHz,CDCl3):δ=7.58(s,1H),7.36-7.45(m,2H),4.83(s,1H),4.74(s,1H),3.36(s,2H),3.32-3.41(m,1H),2.66-2.75(m,2H),1.66(s,3H),1.31(d,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.6(s),151.6(s),144.4(s),139.3(s),136.6(s),135.7(d),126.3(d),124.0(d),112.5(t),44.2(t),42.4(d),34.7(t),22.0(q),16.3(q)ppm;GC/MS(EI):m/z(%):200(29)[M+],185(100),172(57),157(75),144(73),129(85),115(60)。
实施例23:6-丁基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。将6-溴-2-甲基-2,3-二氢-1H-茚-1-酮(4.00g,17.8mmol),丁基硼酸(3.62g,35.5mmol),碳酸钾(3.68g,26.7mmol),乙酸钯(II)(0.160g,0.711mmol)和1,1'-双(二苯基膦基)二茂铁(dppf配体;0.394g,0.711mmol)在甲苯(30mL)中的溶液在氩气氛下回流反应2小时,然后通过库格尔若装置(145℃/0.10mbar)蒸馏,得到6-丁基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色液体(0.67g,18%收率)。
气味描述:青香油脂气味花香,玫瑰香,桃香,青香似橡胶气味轻微的革香水杨酸异丁基酯气味。
1H NMR(300MHz,CDCl3):δ=7.57(s,1H),7.42(d,J=7.1Hz,1H),7.35(d,J=7.1Hz,1H),3.36(dd,J=18.0,9.0Hz,1H),2.64-2.74(m,4H),1.56-1.66(m,2H),1.26-1.38(m,5H),0.92(t,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),151.1(s),142.4(s),136.5(s),135.5(d),126.2(d),123.3(d),42.3(d),35.2(t),34.6(t),33.6(t),22.2(t),16.4(q),13.9(q)ppm;GC/MS(EI):m/z(%):202(58)[M+],187(56),159(100),145(17),131(25),115(25),104(9)。
对比实施例1:5-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。将7-溴-2-甲基-2,3-二氢-1H-茚-1-酮和5-溴-2-甲基-2,3-二氢-1H-茚-1-酮(两种异构体的混合物,比例=15:85,4.00g,17.77mmol),异丁基硼酸(3.63g,35.5mmol),碳酸钾(7.37g,53.3mmol),乙酸钯(II)(0.140g,0.533mmol)和1,1'-双(二苯基膦基)二茂铁(dppf配体;0.369g,0.666mmol)在甲苯(100mL)中在氩气氛下回流反应2小时,得到5-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮(为无水液体)(2.67g,74%收率)和7-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮(为无色液体)(0.54g,15%收率)。
气味描述:果香油脂气味柑橘香青香,果香柠檬醛香青香,似肥皂的气味。
1H NMR(300MHz,CDCl3):δ=7.65(d,J=7.8Hz,1H),7.21(s,1H),7.14(d,J=7.8Hz,1H),3.35(dd,J=18.0,8.7Hz,1H),2.65-2.71(m,2H),2.54(d,J=7.2Hz,2H),1.86-1.95(m,1H),1.29(d,J=7.2Hz,3H),0.92(d,J=6.6Hz,6H)ppm;13C NMR(75MHz,CDCl3):δ=208.9(s),153.8(s),149.5(s),134.3(s),128.6(d),126.9(d),123.6(d),45.7(t),42.1(d),34.8(t),30.2(d),22.3×2(q),16.3(q)ppm;GC/MS(EI):m/z(%):202(75)[M+],187(55),160(100),145(65),115(31),91(17)。
对比实施例2:2-甲基-5-丙基-2,3-二氢-1H-茚-1-酮和2-甲基-7-丙基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。将7-溴-2-甲基-2,3-二氢-1H-茚-1-酮和5-溴-2-甲基-2,3-二氢-1H-茚-1-酮(两种异构体的混合物,比例=15:85,4.00g,17.77mmol),丙基硼酸(3.63g,35.5mmol),碳酸钾(7.37g,53.3mmol),乙酸钯(II)(0.140g,0.533mmol)和dppf(0.369g,0.666mmol)在甲苯(100mL)中在氩气氛下回流反应2小时,得到2-甲基-5-丙基-2,3-二氢-1H-茚-1-酮(为无色液体)(2.30g,69%收率)和2-甲基-7-丙基-2,3-二氢-1H-茚-1-酮(为无色液体)(0.60g,18%收率)。
2-甲基-7-丙基-2,3-二氢-1H-茚-1-酮:1H NMR(300MHz,CDCl3):δ=7.40-7.45(m,1H),7.24(d,J=7.5Hz,1H),7.10(d,J=7.5Hz,1H),3.28-3.37(m,1H),2.99-3.05(m,2H),2.62-2.72(m,2H),1.58-1.67(m,2H),1.29(d,J=6.9Hz,3H),0.97(t,J=7.2Hz,3H)ppm;13CNMR(75MHz,CDCl3):δ=209.9(s),154.3(s),143.9(s),133.9(d),133.3(s),128.3(d),123.9(d),42.3(d),34.6(t),33.6(t),24.1(t),16.3(q),14.0(q)ppm;GC/MS(EI):m/z(%):188(70)[M+],173(100),160(55),145(39),128(17),115(30),91(17)。
气味描述:(7-丙基):花香,玫瑰,金属气味。
2-甲基-5-丙基-2,3-二氢-1H-茚-1-酮:1H NMR(300MHz,CDCl3):δ=7.66(d,J=7.8Hz,1H),7.24(s,1H),7.17(d,J=7.8Hz,1H),3.31-3.40(m,1H),2.63-2.72(m,4H),1.61-1.73(m,2H),1.30(d,J=7.2Hz,3H),0.96(t,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=208.9(s),153.9(s),150.5(s),134.3(s),128.1(d),126.3(d),123.8(d),42.1(d),38.4(t),34.9(t),24.4(t),16.4(q),13.8(q)ppm;GC/MS(EI):m/z(%):188(48)[M+],173(100),159(28),145(19),131(20),115(20),91(12)。
气味描述:(5-丙基):青香,腊样气味,油脂气味。
对比实施例3:2-甲基-4-丙基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。将4-溴-2-甲基-2,3-二氢-1H-茚-1-酮(1.50g,6.66mmol),丙基硼酸(1.17g,13.3mmol),碳酸钾(2.76g,20.0mmol),乙酸钯(II)(0.075g,0.333mmol)和dppf(0.222g,0.400mmol)在甲苯(30mL)中在氩气氛下回流反应2小时,得到2-甲基-4-丙基-2,3-二氢-1H-茚-1-酮,为无色液体(1.05g,84%收率)。
气味描述:非常弱的,果香,花香。
1H NMR(300MHz,CDCl3):δ=7.59(d,J=7.5Hz,1H),7.39(d,J=7.2Hz,1H),7.27-7.32(m,1H),3.34(dd,J=16.5,7.2Hz,1H),2.59-2.72(m,4H),1.60-1.73(m,2H),1.31(d,J=7.5Hz,3H),0.99(t,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),151.9(s),140.2(s),136.2(s),134.3(d),127.6(d),121.4(d),41.8(d),34.0(t),33.5(t),23.0(t),16.3(q),14.0(q)ppm;GC/MS(EI):m/z(%):188(73)[M+],173(100),159(80),145(35),131(28),115(35),91(25)。
对比实施例4:2-甲基-5-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮和2-甲基-7-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮
使用与实施例22中所描述的类似的方法,将碳酸铯(7.60g,23.3mmol),乙酸钯(II)(0.175g,0.78mmol),三苯基膦(0.82g,3.11mmol),3-异丙基-2,5-二甲基己-5-烯-3-醇(3.18g,18.7mmol)和7-溴-2-甲基-2,3-二氢-1H-茚-1-酮和5-溴-2-甲基-2,3-二氢-1H-茚-1-酮(两种异构体的混合物,比例=15:85,3.50g,15.6mmol)在甲苯(80mL)中在氩气氛下回流反应2小时,得到2-甲基-5-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮(2.22g,71%收率,无色液体)和2-甲基-7-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮(0.41g,13%收率,无色液体)。
2-甲基-5-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮:1H NMR(300MHz,CDCl3):δ=7.68(d,J=7.8Hz,1H),7.27(s,1H),7.21(d,J=7.8Hz,1H),4.86(s,1H),4.77(s,1H),,3.39(s,2H),3.33-3.41(m,1H),2.67-2.73(m,2H),1.69(s,3H),1.31(d,J=7.2Hz,4H)ppm;13C NMR(75MHz,CDCl3):δ=209.1(s),154.0(s),147.5(s),144.2(s),134.7(s),128.5(d),126.7(d),123.9(d),112.8(t),45.0(t),42.2(d),34.9(t),22.1(q),16.4(q)ppm;GC/MS(EI):m/z(%):200(55)[M+],185(100),172(48),157(71),143(72),129(60),115(53),91(17)。
气味描述:油脂气味果香柑橘味花香,“柠檬醛myraldal”样气味,似肥皂的气味。
2-甲基-7-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮:1H NMR(300MHz,CDCl3):δ=7.47(dd,J=7.5,7.5Hz,1H),7.29(d,J=7.5Hz,1H),7.15(d,J=7.5Hz,1H),4.79(s,1H),4.57(s,1H),3.75-3.91(m,2H),3.30-3.39(m,1H),2.63-2.72(m,2H),1.75(s,3H),1.29(d,J=7.2Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.9(s),154.2(s),144.9(s),140.6(s),134.0(d),133.6(s),128.8(d),124.3(d),111.7(t),42.4(d),38.6(t),34.5(t),22.7(q),16.3(q)ppm;GC/MS(EI):m/z(%):200(30)[M+],185(100),167(11),143(10),115(22),91(7)。
气味描述:青香,腊样气味,轻微薄荷香。
对比实施例5:2-甲基-4-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮
按照实施例22中所述的通用方法制备标题化合物。将碳酸铯(3.26g,10.0mmol),乙酸钯(II)(0.075g,0.33mmol),三苯基膦(0.35g,1.33mmol),3-异丙基-2,5-二甲基己-5-烯-3-醇(将1.36g,8.00mmol)和4-溴-2-甲基-2,3-二氢-1H-茚-1-酮(1.50g,6.66mmol)在甲苯(35mL)中在氩气氛下回流反应2h,得到2-甲基-4-(2-甲基烯丙基)-2,3-二氢-1H-茚-1-酮,为无色液体(1.12g,84%收率)。
1H NMR(300MHz,CDCl3):δ=7.65(d,J=7.5Hz,1H),7.41(d,J=7.5Hz,1H),7.34(dd,J=7.5,7.5Hz,1H),4.85(s,1H),4.63(s,1H),,3.38(s,2H),3.30-3.38(m,1H),2.68-2.74(m,1H),2.62(dd,J=17.1,3.9Hz,1H),1.73(s,3H),1.31(d,J=7.5Hz,3H)ppm;13C NMR(75MHz,CDCl3):δ=209.8(s),152.7(s),143.1(s),137.2(s),136.4(s),135.2(d),127.7(d),122.0(d),112.4(t),41.9(d),40.7(t),33.5(t),22.4(q),16.4(q)ppm;GC/MS(EI):m/z(%):200(100)[M+],185(65),157(60),143(42),115(47),91(13)。
气味描述:果香花香金属气味,myradyl样气味。
对比实施例6:5-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮和7-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。将7-溴-2-甲基-2,3-二氢-1H-茚-1-酮和5-溴-2-甲基-2,3-二氢-1H-茚-1-酮(两种异构体的混合物,比例=15:85,3.00g,13.33mmol),环丙基硼酸(2.29g,26.7mmol),碳酸钾(5.53g,40.0mmol),乙酸钯(II)(0.120g,0.533mmol)和1,1'-双(二苯基膦基)二茂铁(dppf配体,0.369g,0.666mmol)在甲苯(100ml)中在氩气氛下回流反应2小时,然后通过库格尔若装置蒸馏,得到5-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮(140℃/0.11mbar)(为无色液体)(2.02g,81%收率)和7-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮(130℃/0.11mbar)(为无色液体)(0.300g,12%收率)。
5-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮:1H NMR(300MHz,CDCl3):δ=7.61(d,J=8.1Hz,1H),7.08(s,1H),7.02(d,J=7.8Hz,1H),3.27-3.36(m,1H),2.60-2.70(m,2H),1.92-1.97(m,1H),1.28(d,J=7.2Hz,3H),1.03-1.10(m,2H),1.77-1.80(m,2H)ppm;13C NMR(75MHz,CDCl3):δ=208.6(s),153.9(s),152.4(s),134.0(s),125.0(d),123.8(d),122.9(d),42.1(d),34.8(t),16.4(q),16.1(d),10.6(t),10.6(t)ppm;GC/MS(EI):m/z(%):186(50)[M+],171(100),158(10),143(19),128(31),115(33)。
气味描述:青香,乳脂样气味,内酯样气味。
7-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮:1H NMR(300MHz,CDCl3):δ=7.36-7.41(m,1H),7.15(d,J=7.5Hz,1H),6.71(d,J=7.5Hz,1H),3.25-3.34(m,2H),2.60-2.70(m,2H),1.30(d,J=7.2Hz,3H),1.05-1.10(m,2H),0.72-0.76(m,2H)ppm;13C NMR(75MHz,CDCl3):δ=210.4(s),154.0(s),146.1(s),134.3(d),133.5(s),122.9(d),121.0(d),42.4(d),34.4(t),16.4(q),10.7(t),10.6(t),10.0(d)ppm;GC/MS(EI):m/z(%):186(30)[M+],171(100),153(9),141(12),128(31),115(28)。
气味描述:青香,花香,革香。
对比实施例7:4-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮
按照实施例1中所述的通用方法C制备标题化合物。4-溴-2-甲基-2,3-二氢-1H-茚-1-酮(1.50g,6.66mmol),环丙基硼酸(1.15g,13.33mmol),碳酸钾(2.76g,19.99mmol),乙酸钯(II)(0.075g,0.333mmol)和1,1'-双(二苯基膦基)二茂铁(dppf配体,0.222g,0.400mmol)在甲苯(30ml)中在氩气氛下回流反应2h,然后通过库格尔若装置(125℃/0.08mbar)蒸馏,得到4-环丙基-2-甲基-2,3-二氢-1H-茚-1-酮,为无色液体(1.11g,89%收率)。
1H NMR(300MHz,CDCl3):δ=7.54(d,J=7.5Hz,1H),7.24-7.29(m,1H),7.09(d,J=7.5Hz,1H),3.45(dd,J=17.7,8.7Hz,1H),2.67-2.76(m,2H),1.88-1.97(m,1H),1.33(d,J=7.2Hz,3H),0.99-1.05(m,2H),0.71-0.74(m,2H)ppm;13C NMR(75MHz,CDCl3):δ=209.7(s),152.9(s),141.3(s),135.9(s),129.5(d),127.7(d),120.9(d),41.8(d),33.6(t),16.4(q),11.7(q),7.9*2(t)ppm;GC/MS(EI):m/z(%):186(100)[M+],171(71),157(29),143(85),128(91),115(65),91(11)。
气味描述:弱的花香。
实施例24:GC-气味阈值的测定
根据本领域技术人员已知的标准程序,挥发性香料化合物的阈值在配备有嗅探口的气相色谱仪上由一组训练有素的评估员确定。由每个小组成员闻到的最低浓度记录为以ng(在吸气口处递送的化合物的绝对量)表示的个体阈值。
在相同条件下,测量各个化合物的气味阈值。结果如下。
从上述结果可以看出,本发明化合物(C-6取代的二氢茚酮衍生物)的气味阈值比在C-4、C-5或C-7位取代的化合物低至少约10倍。基于此,实现了显著的进步,因为需要更少量的要求保护的化合物来赋予相同的气味强度。
实施例25:用于精细香料的玫瑰香香料组合物
这种天然玫瑰、辛香(丁香)清新的轻微和雅致的谐香具有轻微的果香(苹果)方面最好以10重量%在酒精(85°)中评估。添加6-异丁基-2-甲基-2,3-二氢-1H-茚-1-酮产生了更强力的谐香,并且香质现在是果香桃香乳脂样气味,具有玫瑰香花香新鲜度。该谐香现在具有更多的体香,并且与其中式(I)的化合物被DPG替代的谐香相比更持久。上述谐香例如适用于给柔软剂加香。
Claims (10)
1.式(I)的化合物用作香料的用途
其中,
R1选自氢、甲基和乙基;
R2选自氢、甲基和乙基,且R3选自氢和甲基;或者
R2和R3与它们所连接的碳原子一起形成C3-C5环烷基;
R4选自C2-C5烷基、C2-C5烯基、C1-C4烷氧基、C3-C5环烷基和C3-C6环烯基。
2.香料组合物,包含作为增香剂的如权利要求1中所定义的式(I)的化合物或其混合物和基质材料。
3.权利要求2的香料组合物,其中基质材料选自增香剂分子和助剂。
4.加香的制品,包含作为增香剂的如权利要求1中所定义的式(I)的化合物或其混合物和消费品基质。
5.权利要求4的加香的制品,其中所述消费品基质选自精细香料、家用产品、洗衣产品、身体护理产品、化妆品和空气护理产品。
6.权利要求4或权利要求5的加香的制品,包含0.00001重量%至90重量%,基于制品的总重量。
7.权利要求4的加香的制品,包含至少一种式(I)的化合物或其混合物,和至少一种选自载体材料和香料成分的成分。
8.改进、增强或改变消费品基质的方法,通过向消费品基质中添加嗅觉可接受量的如权利要求1中所定义的式(I)的化合物或其混合物来进行。
9.权利要求8的方法,其中所述消费品基质选自精细香料、家用产品、洗衣产品、身体护理产品、化妆品和空气护理产品。
10.式(I)的化合物
其中,
R1选自甲基和乙基;
R2为氢,且R3为氢;或者
R2和R3与它们所连接的碳原子一起形成C3-C5环烷基;
R4选自C3-C5烷基,C2-C5烯基,C3-C4烷氧基,C3-C5环烷基和C3-C6环烯基,条件是R4不是异丙基或叔丁基。
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EP3497192B1 (en) | 2021-12-22 |
JP7036796B2 (ja) | 2022-03-15 |
SG11201900424SA (en) | 2019-02-27 |
EP3497192A2 (en) | 2019-06-19 |
WO2017191331A2 (en) | 2017-11-09 |
CN109563438B (zh) | 2022-11-04 |
ES2908129T3 (es) | 2022-04-27 |
MX2019001303A (es) | 2019-06-17 |
US20200330346A1 (en) | 2020-10-22 |
US11020333B2 (en) | 2021-06-01 |
JP2019532123A (ja) | 2019-11-07 |
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