JP2010510276A - 二酸化マンガンを含む触媒の存在下でのカルボン酸ニトリルの加水分解によるカルボン酸アミドの製造方法 - Google Patents
二酸化マンガンを含む触媒の存在下でのカルボン酸ニトリルの加水分解によるカルボン酸アミドの製造方法 Download PDFInfo
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- catalyst
- manganese dioxide
- reaction
- acid
- hydrolysis
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- 239000003054 catalyst Substances 0.000 title claims abstract description 122
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 88
- 230000008569 process Effects 0.000 title claims abstract description 55
- 150000002825 nitriles Chemical class 0.000 title claims abstract description 46
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 37
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 23
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- 238000002360 preparation method Methods 0.000 title description 5
- 239000011541 reaction mixture Substances 0.000 claims abstract description 34
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 19
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- 238000006243 chemical reaction Methods 0.000 claims description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- -1 carboxylic acid nitrile compound Chemical class 0.000 claims description 27
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 18
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 18
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- 238000002083 X-ray spectrum Methods 0.000 claims description 6
- 229910001882 dioxygen Inorganic materials 0.000 claims description 6
- 229910052718 tin Inorganic materials 0.000 claims description 6
- 150000001299 aldehydes Chemical class 0.000 claims description 5
- 150000002576 ketones Chemical class 0.000 claims description 5
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 80
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- 239000002184 metal Substances 0.000 description 10
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- 229910052783 alkali metal Inorganic materials 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
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- 238000002474 experimental method Methods 0.000 description 7
- 238000012856 packing Methods 0.000 description 7
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- XYVQFUJDGOBPQI-UHFFFAOYSA-N Methyl-2-hydoxyisobutyric acid Chemical compound COC(=O)C(C)(C)O XYVQFUJDGOBPQI-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
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- 238000010924 continuous production Methods 0.000 description 6
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- 150000002601 lanthanoid compounds Chemical class 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 239000002638 heterogeneous catalyst Substances 0.000 description 5
- 239000002815 homogeneous catalyst Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 125000005842 heteroatom Chemical group 0.000 description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 4
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- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- RWHRFHQRVDUPIK-UHFFFAOYSA-N 50867-57-7 Chemical compound CC(=C)C(O)=O.CC(=C)C(O)=O RWHRFHQRVDUPIK-UHFFFAOYSA-N 0.000 description 3
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- 125000001931 aliphatic group Chemical group 0.000 description 3
- 229910001413 alkali metal ion Inorganic materials 0.000 description 3
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- 150000001342 alkaline earth metals Chemical class 0.000 description 3
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- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 3
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
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- 125000003158 alcohol group Chemical group 0.000 description 2
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- MLIREBYILWEBDM-UHFFFAOYSA-N cyanoacetic acid Chemical compound OC(=O)CC#N MLIREBYILWEBDM-UHFFFAOYSA-N 0.000 description 2
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- 238000000354 decomposition reaction Methods 0.000 description 2
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- 229910001487 potassium perchlorate Inorganic materials 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- GPHQHTOMRSGBNZ-UHFFFAOYSA-N pyridine-4-carbonitrile Chemical compound N#CC1=CC=NC=C1 GPHQHTOMRSGBNZ-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229940080281 sodium chlorate Drugs 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- PYKSLEHEVAWOTJ-UHFFFAOYSA-N tetrabutoxystannane Chemical compound CCCCO[Sn](OCCCC)(OCCCC)OCCCC PYKSLEHEVAWOTJ-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- YIYBQIKDCADOSF-ONEGZZNKSA-N trans-pent-2-enoic acid Chemical compound CC\C=C\C(O)=O YIYBQIKDCADOSF-ONEGZZNKSA-N 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- IRYJRGCIQBGHIV-UHFFFAOYSA-N trimethadione Chemical compound CN1C(=O)OC(C)(C)C1=O IRYJRGCIQBGHIV-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Images
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/10—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with ester groups or with a carbon-halogen bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/06—Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
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- C07C231/065—By hydration using metals or metallic ions as catalyst
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- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
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Abstract
Description
0.0〜25質量%、特に0.1〜2質量%のSiO2;
0.1〜10質量%、特に0.2〜7質量%のK2O;
0.0〜5質量%、特に0.2〜4質量%のZrO2;
75〜99質量%、特に85〜98%のMnO2を含む。触媒は、更に前述したような成分を含んでいてもよい。触媒の組成は、半定量的蛍光X線分析によって決定できる。
B)前記シアンヒドリン又は2種以上のシアンヒドリンを加水分解し、少なくとも1種のα−ヒドロキシカルボン酸アミドを形成する工程;
C)前記α−ヒドロキシカルボン酸アミド又は2種以上のα−ヒドロキシカルボン酸アミドをアルコール分解し、少なくとも1種のα−ヒドロキシカルボン酸アルキルエステルを形成する工程;
D)前記α−ヒドロキシカルボン酸アルキルエステル又は1種以上のα−ヒドロキシカルボン酸アルキルエステルを、(メタ)アクリル酸とエステル交換し、少なくとも1種のアルキル(メタ)アクリレート及び少なくとも1種のα−ヒドロキシカルボン酸を形成する工程;
E)前記α−ヒドロキシカルボン酸又は2種以上のα−ヒドロキシカルボン酸を脱水し、(メタ)アクリル酸を形成する工程。
b’)圧力反応器中、1〜100バールの圧力で、反応物質流れを互いに反応させ;
c’)工程b’)から得られ、圧力反応器からα−ヒドロキシカルボン酸エステル、未変換α−ヒドロキシカルボン酸アミド及び触媒を含む生成混合物を排出し;
d’)生成混合物をアルコール及びアンモニア中で消費し、アンモニアを、1バールよりも高く絶えず維持する圧力で蒸留する。
b1)圧力反応器中、5〜70バールの圧力で、反応物質を互いに反応させ;
b2)工程b1)から得られた生成混合物の圧力を、圧力反応器中の圧力よりも低く1バールよりも高い圧力に低下させ;
c1)工程b2)から得られた減圧した生成混合物を蒸留カラム内に供給し:
c2)蒸留カラム内において、上端を通してアルコール及びアンモニアを蒸留により除去し、蒸留カラム中の圧力を1バールより高く10バールよりも低く維持し;
d1)アンモニア及びアルコール中で消費され、α−ヒドロキシカルボン酸エステル、未変換α−ヒドロキシカルボン酸アミド及びカラム由来の触媒を含む、工程c2)から得られる生成混合物を排出するによって供給され得る。
ビーカー中で、水800gを60℃まで加熱した。撹拌しながら、Zr(SO4)2・4H2O 3.27gを溶解した。約230m2/gのBET表面積を有し、ICDDによる44−0141の構造番号を有し、そのX線スペクトル(XRD)が32°〜42°で最大強度を有する反射を示す、市販の二酸化マンガン100gをゆっくりとこの溶液に加えた。得られた組成物を60℃で2時間撹拌した。次いで、二酸化マンガンを除去し、110℃で乾燥した。乾燥した触媒は、X線蛍光スペクトル(XFA)において0.08のZr/Mn原子比を示した。
触媒に添加した反応混合物が9.3のpHを有していた以外は基本的に比較例1を繰り返した。この場合、pHはLiOHを加えることにより調整した。更に、空気に代え、反応混合物に窒素を通過させた。
触媒に添加した反応混合物が9.3のpHを有していた以外は基本的に比較例1を繰り返した。このケースにおいては、pHはLiOHを加えることにより調整した。
KOHを用いることによりpHを調整した以外は基本的に実施例1を繰り返した。この実験において達成された寿命は約25日であった。
トリクルベッド反応器中、アセトンシアンヒドリン、水及びアセトンの混合物を、50℃の温度及び標準圧力で、顆粒に圧縮され、約230m2/gのBET表面積を有し、ICDDによる44−0141の構造番号を有し、そのX線スペクトル(XRD)が32°〜42°で最大強度を有する反射を示す市販のMnO2触媒と反応させた。アセトンシアンヒドリン/アセトン/水成分の混合比は1/1.5/6であった。触媒の装填は、触媒1gあたり、1時間あたり、アセトンシアンヒドリン約1.55〜1.60gであった。
触媒に添加した反応混合物が9.3のpHを有していた以外は基本的に比較例3を繰り返した。この場合、pHはLiOHを加えることにより調整した。
ジエチルアミンを用いてpHを調整した以外は基本的に比較例2を繰り返した。寿命は約5日であった。この比較例は、アミンの使用が不利益な効果をもたらすことを示す。
Claims (30)
- 二酸化マンガンを含む触媒の存在下にカルボン酸ニトリルの加水分解によりカルボン酸アミドを製造する方法であって、二酸化マンガンを含む触媒に添加される反応混合物が、6.0〜11.0のpHを有し、酸化剤の存在下に加水分解を実施することを特徴とする方法。
- 酸化剤として酸素を含むガスを用いることを特徴とする、請求項1に記載の方法。
- 前記ガスが分子酸素(O2)又はオゾン(O3)を含むことを特徴とする、請求項2に記載の方法。
- 前記ガスが、50〜98容量%の不活性ガス及び2〜50容量%の分子酸素(O2)を含むことを特徴とする、請求項2又は3に記載の方法。
- 前記酸素を含むガスが、二酸化マンガンを含む触媒1kgに対して、10〜1000リットル/時の濃度で用いられることを特徴とする、請求項1から4までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒に添加される反応混合物が、6.5〜10.0のpHを有することを特徴とする、請求項1から5までのいずれか1項に記載の方法。
- 水酸化物又は酸化物を加えることによりpHを調整することを特徴とする、請求項1から6までのいずれか1項に記載の方法。
- pHの調整にアミンを用いないことを特徴とする、請求項1から7までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒に添加される反応混合物中のアミンの割合が高くても0.001質量%であることを特徴とする、請求項1から8までのいずれか1項に記載の方法。
- リチウムイオンの存在下に加水分解を実施することを特徴とする、請求項1から9までのいずれか1項に記載の方法。
- 水酸化リチウムを加えることによりpHを調整することを特徴とする、請求項1から10までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒が、少なくとも50質量%の実験式MnOx(式中、xは1.7〜2.0の範囲である)を有する二酸化マンガンを含むことを特徴とする、請求項1から11までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒が、Ti、Zr、V、Nb、Ta、Cr、Mo、W、Zn、Ga、In、Ge、Sn及びPtから選択される少なくとも1種の促進剤を含むことを特徴とする、請求項1から12までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒が、0.01〜10質量%の促進剤を含むことを特徴とする、請求項13に記載の方法。
- 二酸化マンガンを含む触媒が、1gあたり50〜1000m2/gの比表面積を有することを特徴とする、請求項1から14までのいずれか1項に記載の方法。
- 前記方法で用いられるカルボン酸ニトリルがα−ヒドロキシカルボン酸ニトリルであることを特徴とする、請求項1から15までのいずれか1項に記載の方法。
- 前記α−ヒドロキシカルボン酸ニトリルが2−ヒドロキシ−2−メチルプロピオニトリル又は2−ヒドロキシプロピオニトリルであることを特徴とする、請求項16に記載の方法。
- カルボン酸ニトリル化合物の存在下に加水分解反応を実施することを特徴とする、請求項1から17までのいずれか1項に記載の方法。
- 前記カルボニル化合物の濃度が、カルボン酸ニトリル1モルあたり0.1〜6モルであることを特徴とする、請求項18に記載の方法。
- 水対カルボン酸ニトリルのモル比が0.5:1〜25:1であることを特徴とする、請求項1から19までのいずれか1項に記載の方法。
- 10〜150℃の温度で加水分解反応を実施することを特徴とする、請求項1から20までのいずれか1項に記載の方法。
- 0.1バール〜10バールの圧力で加水分解反応を実施することを特徴とする、請求項1から21までのいずれか1項に記載の方法。
- トリクルベッド反応器中で加水分解反応を実施することを特徴とする、請求項1から22までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒が、粉末として測定したX線スペクトル(XRD)において、32.0〜42.0°の反射を有することを特徴とする、請求項1から23までのいずれか1項に記載の方法。
- 二酸化マンガンを含む触媒が、
0.0〜25質量%のSiO2;
0.1〜10質量%のK2O;
0.0〜5質量%のZrO2;及び
75〜99質量%のMnO2
を含むことを特徴とする、請求項1から24までのいずれか1項に記載の方法。 - 前記カルボン酸ニトリルが、塩基性触媒の存在下でのケトン又はアルデヒドとシアン化水素酸との反応により得られることを特徴とする、請求項1から25までのいずれか1項に記載の方法。
- 前記塩基性触媒がアルカリ金属水酸化物であり、アルキル金属水酸化物の量が、加水分解に用いられる反応混合物が6.0〜11.0のpHを有するように選択されることを特徴とする、請求項26に記載の方法。
- 請求項1から27までのいずれか1項に記載の方法による加水分解工程を有することを特徴とする、アルキル(メタ)アクリレートの製造方法。
- 下記工程:
A)少なくとも1種のカルボニル化合物とシアン化水素酸とを反応させることにより少なくとも1種のシアンヒドリンを形成する工程:
B)前記シアンヒドリン又は2種以上のシアンヒドリンを加水分解し、少なくとも1種のα−ヒドロキシカルボン酸アミドを形成する工程;
C)前記α−ヒドロキシカルボン酸アミド又は2種以上のα−ヒドロキシカルボン酸アミドをアルコール分解し、少なくとも1種のα−ヒドロキシカルボン酸アルキルエステルを得る工程;
D)前記α−ヒドロキシカルボン酸アルキルエステル又は2種以上のα−ヒドロキシカルボン酸アルキルエステルを、(メタ)アクリル酸とエステル交換し、少なくとも1種のアルキル(メタ)アクリレート及び、少なくとも1種のα−ヒドロキシカルボン酸を形成する工程;
E)前記α−ヒドロキシカルボン酸又は2種以上のα−ヒドロキシカルボン酸を脱水し、(メタ)メタアクリル酸を形成する工程
を含むことを特徴とする、請求項28記載の方法。 - メチルメタクリレートが製造されることを特徴とする、請求項28又は29に記載の方法。
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PCT/EP2007/059041 WO2008061822A1 (de) | 2006-11-22 | 2007-08-30 | Verfahren zur herstellung von carbonsäureamiden durch hydrolyse von carbonsäurenitrilen in gegenwart eines mangandioxid umfassenden katalysators |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012510485A (ja) * | 2008-12-01 | 2012-05-10 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | カルボニル化合物及びシアン化水素からカルボン酸アミドを製造する方法 |
WO2015008740A1 (ja) | 2013-07-16 | 2015-01-22 | 三菱瓦斯化学株式会社 | α-ヒドロキシイソ酪酸アミドの製造方法及び反応装置 |
JP2017528439A (ja) * | 2014-08-01 | 2017-09-28 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | 気相におけるα−ヒドロキシカルボン酸エステルの製造方法 |
CN112495391A (zh) * | 2020-12-21 | 2021-03-16 | 中国科学院山西煤炭化学研究所 | 一种适用于乙腈水合反应制备乙酰胺的负载型复合金属催化剂及其制备方法和应用 |
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DE102008001319A1 (de) | 2008-04-22 | 2009-10-29 | Evonik Röhm Gmbh | Katalysator zur Umsetzung von Carbonsäurenitrilen |
EP2376426B1 (de) * | 2008-12-15 | 2014-09-24 | Basf Se | Verfahren zur herstellung von n-vinylcarbonsäureamiden |
TW201102365A (en) * | 2009-07-03 | 2011-01-16 | China Petrochemical Dev Corp | Method for producing organic carboxylic acid amide |
CN101987827B (zh) * | 2009-08-07 | 2014-08-20 | 中国石油化学工业开发股份有限公司 | 有机羧酸酰胺的制造方法 |
KR102480523B1 (ko) * | 2015-01-16 | 2022-12-22 | 룀 게엠베하 | 카르복실 에스테르를 수득하기 위한 알데하이드의 산화적 에스테르화를 위한 금-기반 촉매 |
DE102016210285A1 (de) | 2016-06-10 | 2017-12-14 | Evonik Röhm Gmbh | Verfahren zur Herstellung von Methacrylaten und Methacrylsäure |
CN112979514A (zh) * | 2019-12-18 | 2021-06-18 | 重庆紫光化工股份有限公司 | 2-羟基-4-甲硫基丁腈制备d,l-蛋氨酸的方法 |
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JP2012510485A (ja) * | 2008-12-01 | 2012-05-10 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | カルボニル化合物及びシアン化水素からカルボン酸アミドを製造する方法 |
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WO2015008740A1 (ja) | 2013-07-16 | 2015-01-22 | 三菱瓦斯化学株式会社 | α-ヒドロキシイソ酪酸アミドの製造方法及び反応装置 |
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JP2017528439A (ja) * | 2014-08-01 | 2017-09-28 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH | 気相におけるα−ヒドロキシカルボン酸エステルの製造方法 |
CN112495391A (zh) * | 2020-12-21 | 2021-03-16 | 中国科学院山西煤炭化学研究所 | 一种适用于乙腈水合反应制备乙酰胺的负载型复合金属催化剂及其制备方法和应用 |
Also Published As
Publication number | Publication date |
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WO2008061822A1 (de) | 2008-05-29 |
US20110060159A1 (en) | 2011-03-10 |
HK1120022A1 (en) | 2009-03-20 |
DE102006055430A1 (de) | 2008-05-29 |
CN101186584B (zh) | 2011-06-29 |
MX2009005392A (es) | 2009-06-02 |
CA2666397A1 (en) | 2008-05-29 |
KR20090082238A (ko) | 2009-07-29 |
EP2054376A1 (de) | 2009-05-06 |
CN101186584A (zh) | 2008-05-28 |
BRPI0718991A2 (pt) | 2014-02-11 |
RU2009123372A (ru) | 2010-12-27 |
US8334406B2 (en) | 2012-12-18 |
TW200835672A (en) | 2008-09-01 |
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