CN103508957B - 羟乙基吡唑类化合物或氨乙基吡唑类化合物及其制备方法和用途 - Google Patents
羟乙基吡唑类化合物或氨乙基吡唑类化合物及其制备方法和用途 Download PDFInfo
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- CN103508957B CN103508957B CN201210211667.7A CN201210211667A CN103508957B CN 103508957 B CN103508957 B CN 103508957B CN 201210211667 A CN201210211667 A CN 201210211667A CN 103508957 B CN103508957 B CN 103508957B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 68
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- 125000000217 alkyl group Chemical group 0.000 claims description 95
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 28
- 125000005842 heteroatom Chemical group 0.000 claims description 24
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 22
- 229910052736 halogen Inorganic materials 0.000 claims description 17
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 16
- 150000002367 halogens Chemical class 0.000 claims description 16
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- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- ARYHTUPFQTUBBG-UHFFFAOYSA-N thiophen-2-ylboronic acid Chemical compound OB(O)C1=CC=CS1 ARYHTUPFQTUBBG-UHFFFAOYSA-N 0.000 description 1
- QNMBSXGYAQZCTN-UHFFFAOYSA-N thiophen-3-ylboronic acid Chemical compound OB(O)C=1C=CSC=1 QNMBSXGYAQZCTN-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000001890 transfection Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
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- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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Abstract
本发明公开了如下述通式I表示的羟乙基吡唑类化合物或氨乙基吡唑类化合物及其制备方法和用途。通过生物活性测试证明,该类化合物具有明显的抑制β‑分泌酶的活性。因此,本发明的羟乙基吡唑类化合物或氨乙基吡唑类化合物可作为β‑分泌酶的抑制剂而用于预防或对症治疗老年性痴呆。
Description
技术领域
本发明属于药物合成领域。具体而言,本发明涉及羟乙基吡唑类化合物或氨乙基吡唑类化合物及其制备方法,以及其作为β-分泌酶抑制剂,在制备用于预防、延缓或治疗由Aβ的沉积引发的疾病的药物中的用途。
背景技术
阿尔茨海默氏病(Alzheimer’s disease,下文简称AD),又称早老性痴呆,是常见于老年人群的一种慢性神经退行性疾病,其临床表现为进行性加重的智能障碍、记忆力减退、精神行为异常等。它严重威胁着老年人的健康,尤其是当今社会逐渐老龄化,这一情况越加严峻,引起了人们的普遍关注。
目前乙酰胆碱酯酶抑制剂仍然是临床治疗AD的主要药物,虽然可以逆转胆碱功能损伤导致的学习、记忆缺陷,使部分病人症状减轻,但并不能从根本上改变疾病状态(Barril,X.etal Mini Rev.Med.Chem.2001,1,255)。
近年来的研究表明,大脑中的β淀粉样蛋白(β-amyloidpeptide,下文简称Aβ)的产生和聚集被认为是导致该疾病产生的一个重要因素。Aβ是由淀粉样前体蛋白(amyloidprecursor protein,下文简称APP)水解产生的约4kD的多肽,其末端11-15个氨基酸位于APP的跨膜区。主要有三种分泌酶参与了对APP的水解过程,分别称为α、β和γ-分泌酶。α-分泌酶的酶切位点位于Aβ序列内,作用于APP后产生可溶的α-APP片段和C83肽,C83肽可继续被γ-分泌酶水解生成P3肽,不产生Aβ。而β-分泌酶的酶切位点位于AβN端第一个氨基酸,作用于APP后产生β-APP和C99肽,C99肽再经γ-分泌酶作用产生Aβ。由此可见,β-分泌酶是Aβ形成过程中非常关键的限速酶。而且敲除β-分泌酶基因的小鼠显示完全没有Aβ的生成同时无明显的神经和其它生理功能方面的障碍,因此β-分泌酶被认为是治疗AD安全而且有效的新靶点(D.J.Selkoe Science.2002,297,353-356.)。并且,β-分泌酶的抑制剂比γ-分泌酶抑制剂更安全,但小分子的β分泌酶抑制剂的合成难度远高于γ-分泌酶抑制剂。
发明内容
发明目的
为解决现有技术中存在的技术问题,本发明人设计并合成了一系列β-分泌酶抑制剂,以期达到治疗AD的目的。
因此,本发明的一个目的是提供一种羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐。
本发明的另一目的是提供该类化合物在制备作为β-分泌酶抑制剂的药物中的用途。
本发明的又一个目的是提供包含上述羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐中的一种或多种的药物组合物。
本发明的再一个目的是提供一种预防、延缓或治疗由Aβ的沉积引发的疾病的方法。
技术方案
为了实现上述目的,本发明提供了如下述通式I表示的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐:
其中:
Z为OH或NH2;
其中,A为卤素;X为NH或O;Y为羰基;R7为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R2为H、C1-C4直链烷基、C3-C6支链烷基或硝基;其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R3为取代或未取代的苯基,其中,所述取代基为C1-C6直链烷基、C3-C6支链烷基或卤素;
R4、R5和R6相同或不同,各自独立地为H、羧基、C1-C6直链烷基、C3-C6支链烷基、C1-C6烷氧基羰基、羟基C1-C6亚烷基、取代或未取代的氨基羰基、取代或未取代的苯基、萘基、取代或未取代的含有1-3个杂原子的5-7元饱和杂环基羰基或者含有1-3个杂原子的5-11元不饱和杂环基;
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基、C3-C6支链烷基、C3-C6环烷基、C1-C6烷氧基、C1-C6烷氧基C1-C6亚烷基、羟基C1-C6亚烷基、苯基和C1-C3烷氧基取代的苯甲基;
所述取代的苯基的取代基为羟基、C1-C6烷氧基、卤素或卤素取代的C1-C3烷基;
所述杂原子为N、S或O;
所述取代的含有1-3个杂原子的5-7元饱和杂环基羰基的取代基为C1-C3烷基或C1-C6烷氧基C1-C6亚烷基。
优选的是,
当Z为OH时;
R1为 其中,A为F、Cl或Br;X为NH;Y为羰基;R7为H、C1-C6直链烷基或C3-C6支链烷基;
R2为H、C1-C4直链烷基或硝基;其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基或C3-C6支链烷基;
R3为苯基;
R4、R5和R6相同或不同,各自独立地为H、羧基、C1-C6直链烷基、C3-C6支链烷基、C1-C6烷氧基羰基、羟基C1-C6亚烷基、取代或未取代的氨基羰基、取代或未取代的苯基、萘基、取代或未取代的含有1-3个杂原子的5-7元饱和杂环基羰基或者含有1-3个杂原子的5-11元不饱和杂环基;
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基、C3-C6支链烷基、C3-C6环烷基、C1-C6烷氧基、C1-C6烷氧基C1-C6亚烷基、羟基C1-C6亚烷基、苯基和C1-C3烷氧基取代的苯甲基;
所述取代的苯基的取代基为羟基、C1-C6烷氧基、卤素或卤素取代的C1-C3烷基;
所述杂原子为N、S或O;
所述取代的含有1-3个杂原子的5-7元饱和杂环基羰基的取代基为C1-C3烷基或C1-C6烷氧基C1-C6亚烷基。
当Z为NH2时,
R1为其中,X为NH;Y为羰基;R7为H、C1-C6直链烷基或C3-C6支链烷基;
R2为其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基或C3-C6支链烷基;
R3为苯基;
R4、R5和R6相同或不同,各自独立地为C1-C6烷氧基羰基或者取代或未取代的氨基羰基;
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基和C3-C6支链烷基。
更优选的是,
当Z为OH时;
R1为其中,X为NH;Y为羰基;R7为H或C1-C4直链烷基;
R2为H、C1-C4直链烷基或硝基;其中,R8和R9同时为H或C1-C4直链烷基;
R3为苯基;
R4、R5和R6相同或不同,各自独立地为H、羧基、C1-C4直链烷基、C1-C4烷氧基羰基、羟基C1-C4亚烷基、取代或未取代的氨基羰基、取代或未取代的苯基、萘基、C1-C4烷氧基C1-C4亚烷基取代的或未取代的吡咯烷基羰基哌啶基羰基C1-C3烷基取代的或未取代的吗啉基羰基环庚胺基羰基苯并环庚胺基羰基呋喃基噻吩基或吡啶基其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或两个取代:C1-C4直链烷基、C3-C5环烷基、C1-C4烷氧基、C1-C4烷氧基C1-C4亚烷基、羟基C1-C4亚烷基、苯基和C1-C3烷氧基取代的苯甲基;
所述取代的苯基的取代基为羟基、C1-C4烷氧基、F或三氟甲基。
当Z为NH2时,
R1为其中,X为NH;Y为羰基;R7为H或C1-C4直链烷基;
R2为R8和R9同时为H或C1-C4直链烷基
R3为苯基;
R4、R5和R6相同或不同,各自独立地为C1-C4烷氧基羰基或者取代或未取代的氨基羰基;其中,所述取代的氨基羰基的N原子被一个或多个C1-C4直链烷基取代。
根据本发明所提供的羟乙基吡唑类化合物或氨乙基吡唑类化合物,最优选为如下化合物之一:
所述药学上可接受的盐为所述由通式(I)表示的化合物与无机酸或有机酸形成的盐;其中,所述无机酸为盐酸、氢溴酸、硫酸或磷酸,所述有机酸为柠檬酸、乳酸、苹果酸、葡糖酸、酒石酸、己二酸、醋酸、琥珀酸、富马酸、抗坏血酸、衣康酸、甲磺酸或苯磺酸。
本发明还提供了羟乙基吡唑类化合物的制备方法,该方法使用以下合成路线1、2、3或4:
合成路线1:(对应的具体化合物为1-9,49,60-63,66-67)
其中,R1为 其中,X为NH或O;Y为羰基;R7为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R2为H、C1-C4直链烷基、C3-C6支链烷基或硝基;其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R3为取代或未取代的苯基,其中,所述取代基为C1-C6直链烷基、C3-C6支链烷基或卤素;
R4、R5和R6相同或不同,各自独立地为H、羧基、C1-C6直链烷基、C3-C6支链烷基、C1-C6烷氧基羰基、羟基C1-C6亚烷基、未取代的含有1-3个杂原子的5-7元饱和杂环基羰基;
所述杂原子为N、S或O。
反应步骤如下:
a)以环氧化合物A为起始原料,与吡唑衍生物在碳酸钠存在下以DMF为溶剂100℃反应开环得化合物B,
b)化合物B在酸性条件下脱去Boc保护基得化合物C,
c)在EDCI、HOBt和DIPEA中一种或多种化合物存在的条件下,化合物C进一步与间苯二甲酸缩合生成化合物D-1,通过硅胶柱或薄板层析方法得到目标化合物;
合成路线2:(对应的具体化合物为10-27,58,59,60-63,66-67)
其中,R1为 其中,A为卤素;X为NH或O;Y为羰基;R7为H或C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R2为H、C1-C4直链烷基、C3-C6支链烷基或硝基;其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R3为取代或未取代的苯基,其中,所述取代基为C1-C6直链烷基、C3-C6支链烷基或卤素;
R4和R6相同或不同,各自独立地为取代或未取代的氨基羰基、取代或未取代的含有1-3个杂原子的5-7元饱和杂环基羰基或者含有1-3个杂原子的5-11元不饱和杂环基,
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基、C3-C6支链烷基、C3-C6环烷基、C1-C6烷氧基、C1-C6烷氧基C1-C6亚烷基、羟基C1-C6亚烷基、苯基和C1-C3烷氧基取代的苯甲基;
所述杂原子为N、S或O;
所述取代的含有1-3个杂原子的5-7元饱和杂环基羰基的取代基为C1-C3烷基、C1-C6烷氧基C1-C6亚烷基;
R11和R12相同或不同,各自独立地为H,C1-C6直链烷基、C3-C6支链烷基、C3-C6环烷基、C1-C6烷氧基、C1-C6烷氧基C1-C6亚烷基、羟基C1-C6亚烷基、苯基或C1-C3烷氧基取代的苯甲基;或者R11和R12同与其连接的N原子一起形成取代或未取代的含有1-3个杂原子的5-7元饱和杂环基羰基或者含有1-3个杂原子的5-11元不饱和杂环基,
所述杂原子为N、S或O;
所述取代的含有1-3个杂原子的5-7元饱和杂环基羰基的取代基为C1-C3烷基、C1-C6烷氧基C1-C6亚烷基。
其中,按合成路线1中的反应步骤a)、b)、c)制得R5为乙氧基羰基的化合物D-2,作为合成路线2的起始原料。
化合物D-2以THF/乙醇/水=2/2/1为溶剂水解得到E,化合物E在EDCI、HOBt和DIPEA的条件下与胺缩合生成化合物F,通过硅胶柱或薄板层析方法得到目标化合物。
合成路线3:(对应的具体化合物为28-48)
其中,R1为其中,A为卤素;X为NH或O;Y为羰基;R7为H或C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R2为H、C1-C4直链烷基、C3-C6支链烷基或硝基;其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R3为取代或未取代的苯基,其中,所述取代基为C1-C6直链烷基、C3-C6支链烷基或卤素;
R4、R5’和R6相同或不同,各自独立地为取代或未取代的苯基、萘基或者含有1-3个杂原子的5-11元不饱和杂环基,
其中,所述取代的苯基的取代基为羟基、C1-C6烷氧基、卤素或卤素取代的C1-C3烷基,
所述杂原子为N、S或O。
其中,按合成路线1中的反应步骤a)、b)、c)制得R5为Br的化合物D-3,作为合成路线3的起始原料。
化合物D-3在四(三苯基磷)钯催化下以甲苯/乙醇/水=2/2/1为溶剂在微波反应下得到芳基取代的羟乙基吡唑类化合物G。
合成路线4:(对应的具体化合物为50-57)
其中,R1为其中,X为NH;Y为羰基;R7为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R2为其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R3为取代或未取代的苯基,其中,所述取代基为C1-C6直链烷基、C3-C6支链烷基或卤素;
R4、R5和R6相同或不同,各自独立地为C1-C6烷氧基羰基或者取代或未取代的氨基羰基,
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基和C3-C6支链烷基。
反应步骤如下:
a)以环氧化合物H为起始原料,与吡唑衍生物在碳酸钠存在下以DMF为溶剂100℃反应开环得化合物I;
b)化合物I与甲磺酰氯反应得到化合物J;
c)化合物J与叠氮化钠在DMF溶剂中于50℃反应得化合物K;
d)化合物K在酸性条件下脱去Boc保护基得化合物L;
e)在EDCI、HOBt和DIPEA中一种或多种化合物存在的条件下,化合物K进一步与间苯二甲酸缩合得化合物M;
f)化合物M用锌粉还原得到化合物N。
根据本发明的再一目的,本发明提供了上述羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐作为β-分泌酶抑制剂,可用于制备预防、延缓或治疗由Aβ的沉积引发的疾病,特别是AD药物。
本发明的另一个技术方案提供了一种包含治疗有效量的通式I表示的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐中的一种或多种的药物组合物,该组合物可以任选包含一定量药剂学上允许的赋形剂,还可以任选包含一定量气味剂、香味剂等常规添加剂。
本发明的又一个技术方案提供了预防、延缓或治疗由Aβ的沉积引发的疾病的方法,所述方法包括施用治疗有效量的通式I表示的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐、酯、前药或溶剂合物中的一种或多种或者本发明的上述药物组合物给患者。
有益效果
本发明所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物,具有明显的抑制β-分泌酶的活性,这为进一步研究可能具有改善认知功能,同时缓解AD疾病进展的创新药物提供了有价值的信息。
具体实施方式
下面结合实施例对本发明作进一步阐述,以下实施方式只以举例的方式描述本发明。很明显,本领域普通技术人员可在本发明的范围和实质内,对本发明进行各种变通和修改。需要了解的是,本发明意欲涵盖在所附权利要求书中包括的变通和修改。
实验及样品分析所用仪器:
核磁共振谱(1H NMR)由Varian公司生产的Mercury-300或Mercury-400型核磁共振仪测定。
LC-MS 由Thermo Finnigan LCQDECA×P型质谱仪测定。
HRMS由Finnigan MAT 95型质谱仪测定。
样品纯度由Gilson公司的高效液相色谱仪(306pump,uv/vis-156Detector,215liquid handle)测定。
旋光数据由PerkinElmer-341型旋光仪测定。
柱层析分离所用硅胶为青岛海洋化工厂产品(200-300目)。
TLC硅胶板为烟台化工生产的HSF-254薄层层析预制板。
紫外灯为上海顾村电光仪器厂ZF-1型三用紫外分析仪。
微波反应器为Biotage Initiator产品。
制备实施例
实施例1:
(化合物1的制备)
合成路线1,反应步骤:
将环氧化合物(2S,3S)-1,2-环氧-3-(N-叔丁氧羰氨基)-4-苯丙烷(50mg,0.19mmol)溶于2mLDMF中,向体系中加入吡唑(13mg,0.19mmol)、催化量碳酸钠。于微波110℃反应1小时。反应结束向体系中加入25mL水,乙酸乙酯萃取(25mL×2),合并有机相,饱和食盐水洗(25mL),无水硫酸钠干燥,过滤,浓缩,得白色固体(2S,3S)-1-苄基-2-羟基-3-吡唑基氨基甲酸叔丁酯57mg,
将上述吡唑化合物(57mg,0.17mmol)溶于4mL二氯甲烷中,向体系中加入1mL三氟乙酸,室温反应2h。浓缩,得到的胺不经处理直接进入下一步反应。将上步得到的胺和5-(甲基甲磺酰基)氨基-3-((1R)-1-(4-氟苯基))乙基氨羰基苯甲酸(68mg,0.17mmol)溶于10mLDCM中,加入EDCI(38mg,0.20mmol)、HOBt(23mg,0.17mmol),DIPEA(94μl,0.51mmol),室温搅拌过夜。向反应体系中加入15mL DCM,稀酸洗(25mL),饱和碳酸氢钠洗(25mL),饱和食盐水洗(25mL),无水硫酸钠干燥,过滤,浓缩,柱层析得到白色泡沫状固体N-[(1S,2S)-1-苄基-2-羟基-3-吡唑基]-5-[(甲基甲磺基)氨基]-N’-[(1R)-1-(4-氟苯基)乙基]间苯二甲酰胺87mg,收率:79.6%。
1H NMR(300MHz,CD3OD):δ1H NMR(300MHz,CD3OD):δ8.12(s,1H),7.99(s,1H),7.89(s,1H),7.63(s,1H),7.46-7.39(m,3H),7.26-7.19(m,4H),7.15-7.13(m,1H),7.08-7.02(t,2H),6.24(s,1H),5.24-5.22(q,J=6.9Hz,1H),4.41-4.36(t,1H),4.29-4.23(t,1H),4.15-4.10(m,2H),3.34(s,3H),3.06-2.94(m,2H),2.93(s,3H),,1.58-1.55(d,J=6.9Hz,3H)
LC-MS:m/z608.1[M+H]+;
实施例2:
(化合物2的制备)
合成路线参照实施例1。用3-甲基吡唑代替吡唑,TLC层析得到白色无定形固体化合物2(19mg,收率:81.2%)。
1H NMR(300MHz,CD3OD):δ8.13(s,1H),8.00(s,1H),7.90(s,1H),7.49(m,1H),7.44-7.39(m,2H),7.26-7.22(m,4H),7.17-7.13(d,1H),7.05-7.02(t,2H),6.01.(s,1H),5.24-5.21(q,J=7.2Hz,1H),4.39.-4.37(t,1H),4.19.-4.00(m,3H),3.34(s,3H),3.03-2.96(m,2H),2.94(s,3H),2.18(s,3H),1.58-1.55(d,J=7.2Hz,3H)
LC-MS:m/z622.22[M+H]+;
实施例3:
(化合物3的制备)
合成路线参照实施例1,用4-甲基吡唑代替吡唑,TLC层析得到白色无定形固体化合物3(71mg收率:72.4%)。
1H NMR(300MHz,CD3OD):δ8.11(s,1H),7.99(s,1H),7.89(s,1H),7.44-7.38(m,3H),7.26-7.17(m,5H),7.16-7.14(d,1H),7.05-7.00(t,2H),5.24-5.20(q,J=6.6Hz,1H),4.39.-4.34(t,1H),4.20-4.16(m,1H),4.08-4.00(m,2H),3.34(s,3H),3.05-3.00(m,2H),2.98(s,3H),2.02(s,3H),1.58-1.56(d,J=6.6Hz,3H)
LC-MS:m/z622.2[M+H]+;
实施例4:
(化合物4的制备)
合成路线参照实施例1。用5-甲基吡唑代替吡唑,TLC层析得到白色无定形固体化合物4(25mg,收率:78.2%)。
1H NMR(300MHz,CD3OD):δ8.15(s,1H),7.99(s,1H),7.90(s,1H),7.39-7.29(m,3H),7.29-7.25(m,3H),7.21-7.19(m,1H),7.06-6.99(t,3H),5.98(s,1H),4.66-4.44(dd,J=7.8Hz,1H),4.08.-3.98.(m,3H),4.34(s,3H),3.09-3.07(dd,2H),2.86(s,3H),2.19(s,3H),1.62-1.69(d,J=7.2Hz,3H)
LC-MS:m/z622.2[M+H]+;
实施例5:
(化合物5的制备)
合成路线参照实施例1,用3-乙氧羰基吡唑代替吡唑,TLC层析得到白色无定形固体化合物5(33mg,收率:88.7%)。
1H NMR(300MHz,CD3OD):δ8.12(s,1H),7.99(s,1H),7.88(s,1H),7.71(s,1H),7.44-7.40(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,3H),6.73(s,1H),5.24-5.22(q,J=6.6Hz,1H),4.43-4.15(m,6H),3.34(s,3H),3.05-2.94(m,2H),2.93(s,3H),1.58-1.55(d,J=6.6Hz,3H),1.36-1.31(t,J=6.9Hz,3H)
LC-MS:m/z680.1[M+H]+;
实施例6:
(化合物6的制备)
合成路线参照实施例1,用4-乙氧羰基吡唑代替吡唑,柱层析得到白色无定形固体化合物6(80mg,收率:76.6%)。
1H NMR(300MHz,CD3OD):δ8.11(s,1H),7.98(s,1H),7.88(s,1H),7.84(s,1H),7.45-7.39(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,3H),5.24-5.22(q,J=6.6Hz,1H),4.28.-4.12(m,4H),4.26-4.23(q,J=6.9Hz,2H)3.35(s,3H),3.05-2.98(m,2H),2.95(s,3H),1.58-1.55(d,J=6.6Hz,3H),1.33-1.28(t,J=6.9Hz,3H)
LC-MS:m/z608.2[M+H]+;
实施例7:
(化合物7的制备)
合成路线参照实施例1,用3-乙氧羰基吡唑代替吡唑,TLC层析得到白色无定形固体化合物7(29mg,收率:61.4%)。
收率:78.9%。
1H NMR(300MHz,CD3OD):δ8.44(s,1H),8.24(s,1H),8.09(s,1H),7.48(s,1H),7.44-7.30(m,2H),7.28-7.18(m,5H),7.08-7.02(t,3H),6.71(s,1H),5.25-5.22(q,J=7.2Hz,1H),4.43-4.15(m,6H),3.34(s,3H),3.05-2.94(m,2H),2.93(s,3H),1.58-1.55(d,J=6.6Hz,3H),1.36-1.31(t,J=6.9Hz,3H)
LC-MS:m/z 608.1[M+H]+;
实施例8:
(化合物8的制备)
合成路线参照实施例1,并将实施例6制得的化合物6(80mg,0.12mmol)溶解于10mL(THF/EtOH/H2O=2/2/1,体积比)溶液中,加入两个当量的氢氧化钠(10mg,0.24mmol),室温搅拌过夜。将反应液PH值调至4,乙酸乙酯(50mL×2)萃取,饱和食盐水(50mL)洗涤,无水硫酸钠干燥,过滤回收溶剂,TLC层析得到白色无定形固体化合物105(62mg,熔点:122-124℃,收率:88.8%)。
1H NMR(300MHz,CD3OD):δ8.14-8.12(d,2H),7.98(s,1H),7.89(s,1H),7.84(s,1H),7.44-7.39(m,2H),7.28-7.23(m,4H),7.16-7.14(m,1H),7.08-7.02(m,2H),5.24-5.22(q,J=6.9Hz,1H),4.43-4.42.(m,1H),4.28-4.26.(m,1H),4.14-4.12(m,2H),3.34(s,3H),3.05-3.01(m,2H),2.95(s,3H),1.58-1.55(d,J=6.9Hz,3H)
LC-MS:m/z 652.0[M+H]+;
实施例9:
(化合物9的制备)
按照合成路线1,参照实施例1并将实施例6制得的化合物6用氢化锂铝还原即得。收率:70.0%。
1H NMR(300MHz,CD3OD):δ8.12(s,1H),7.99(s,1H),7.90(s,1H),7.61(s,1H),7.45-7.40(m,3H),7.27-7.22(m,4H),7.16-7.14(m,1H),7.08-7.03(t,2H),5.24-5.22(q,J=7.2Hz,1H),4.46(s,2H),4.38-4.35(t,1H),4.28-4.22(m,1H),4.09-4.06(m,2H),3.35(s,3H),3.03-2.97(m,2H),2.95(s,3H),1.58-1.56(d,J=7.2Hz,3H)
LC-MS:m/z 638.0[M+H]+;
实施例10:
(化合物10的制备)
按照合成路线2,收率:71.5%。
将化合物8(60mg,0.09mmol)溶于2mL DMF中,加入EDCI(20mg,0.10mmol),HOBt(10mg,0.08mmol),氯化铵(14mg,0.2mmol)室温搅拌10min。加入DIPEA(50μL,0.3mmol),将其滴入到上述反应体系,然后微波条件下70℃反应15min。向体系中加入50mL水,乙酸乙酯萃取(50mL×2),合并有机相,稀酸洗涤(25mL×2),饱和碳酸氢钠洗(25mL×2),饱和食盐水洗涤,无水硫酸钠干燥,过滤,浓缩,柱层析得到白色无定形固体化合物10(41mg,收率:68.3%)。
1H NMR(300MHz,CD3OD):δ8.13(s,1H),8.10(s,1H),7.99(s,1H),
7.89(s,1H),7.88(s,1H),7.44-7.40(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.07-7.02(t,2H),5.24-5.21(q,J=6.9Hz,1H),4.42-4.41(t,1H),4.32-4.28(m,H),4.14-4.11(m,2H),3.34(s,3H),3.06-2.98(m,2H),2.95(s,3H),1.58-1.56(d,J=6.9Hz,3H)
LC-MS:m/z651.1[M+H]+;
实施例11:
(化合物11的制备)
按照合成路线2,用两个当量的甲胺盐酸盐代替氯化铵,收率:74.8%。
1H NMR(300MHz,CD3OD):δ8.14(s,1H),8.06(s,1H),7.99(s,1H),
7.89(s,1H),7.83(s,1H),7.45-7.40(t,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=7.2Hz,1H),4.40-4.38(t,1H),4.31-4.25(m,1H),4.14-4.11(m,2H),3.34(s,3H),3.05-3.01(m,2H),2.82(s,3H),2.98(s,3H),1.58-1.56(d,J=7.2Hz,3H)
LC-MS:m/z665.2[M+H]+;
实施例12:
(化合物12的制备)
按照合成路线2,用两个当量的乙胺盐酸盐代替氯化铵,收率:70.1%。
1H NMR(300MHz,CD3OD):δ8.12(s,1H),8.06(s,1H),7.98(s,1H),
7.88(s,1H),7.85(s,1H),7.44-7.40(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.40-4.38(t,1H),4.31-4.25(m,1H),4.14-4.11(m,2H),3.34(s,3H),3.33(q,2H),3.05-2.97(m,2H),2.95(s,3H),1.58-1.56(d,J=6.9Hz,3H),1.18-1.14(t,3H),
LC-MS:m/z679.3[M+H]+;
实施例13:
(化合物13的制备)
按照合成路线2,用两个当量的丙胺盐酸盐代替氯化铵,收率:67.1%。
H NMR(300MHz,CD3OD):δ8.13(s,1H),8.06(s,1H),7.98(s,1H),
7.89(s,1H),7.85(s,1H),7.44-7.39(m,2H),7.27-7.19(m,4H),7.15-7.13(m,1H),7.07-7.01(t,2H),5.24-5.21(q,J=6.9Hz,1H),4.43-4.38(t,1H),4.30-4.25(m,1H),4.13-4.10(m,2H),3.33(s,3H),3.26-3.22(q,2H),3.09-3.00(m,2H),2.94(s,3H),1.60-1.50(m,5H),0.95-0.90(t,3H),
LC-MS:m/z693.3[M+H]+;
实施例14:
(化合物14的制备)
按照合成路线2,用两个当量的二甲胺盐酸盐代替氯化铵,收率:86.4%。
1H NMR(300MHz,CD3OD):δ8.11(s,1H),8.03(s,1H),7.98(s,1H),
7.89(s,1H),7.77(s,1H),7.45-7.40(q,2H),7.28-7.16(m,4H),7.16-7.14(m,1H),7.05-7.03(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.43-4.37(m,1H),4.31-4.25(m,1H),4.15-4.12(m,2H),3.35(s,3H),3.22(s,3H),3.03(s,3H),3.05-2.97(m,2H),2.95(s,3H),2.98(s,3H),1.58-1.56(d,J=6.9Hz,3H)
LC-MS:m/z679.2[M+H]+;
实施例15:
(化合物15的制备)
按照合成路线2,用两个当量的二乙胺盐酸盐代替氯化铵,收率:58.8%。
1H NMR(300MHz,CD3OD):δ8.11(s,1H),7.98-7.91(s,2H),
7.90-7.88(s,1H),7.72(s,1H),7.45-7.40(m,2H),7.27-7.17(m,4H),7.16-7.08(m,1H),7.04-7.03(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.40-4.37(t,1H),4.31-4.25(m,1H),4.15-4.11(m,2H),3.55-3.51(s,4H),3.35(s,3H),3.22(s,3H),3.05-2.98(m,2H),2.97(s,3H),1.58-1.56(d,J=6.9Hz,3H),1.12(s,6H)
LC-MS:m/z707.2[M+H]+;
实施例16:
(化合物16的制备)
按照合成路线2,用两个当量的二丙胺盐酸盐代替氯化铵,收率:86.3%。
1H NMR(300MHz,CD3OD):δ8.12(s,1H),7.98(s,2H),7.95(s,2H),
7.89(s,1H),7.69(s,1H),7.44-7.40(m,2H),7.27-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=6.6Hz,1H),4.40-4.37(t,1H),4.31-4.25(m,1H),4.18-4.12(m,2H),3.42(s,4H),3.41(s,3H),3.05-2.98(m,2H),2.95(s,3H),1.68-1.61(m,4H),1.58-1.56(d,J=6.6Hz,3H),0.91(s,6H)
LC-MS:m/z735.3[M+H]+;
实施例17:
(化合物17的制备)
按照合成路线2,用两个当量的N-甲氧基甲胺盐酸盐代替氯化铵,收率:51.1%。
1H NMR(300MHz,CD3OD):δ8.20(s,1H),8.13(s,2H),7.98(s,1H),
7.91-7.89(m,2H),7.44-7.40(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.42-4.39(t,1H),4.32-4.26(m,1H),4.16-4.13(m,2H),3.73(s,3H),3.55(s,3H),3.25(s,3H),3.05-2.96(m,2H),2.95(s,3H),1.58-1.56(d,J=6.9Hz,3H)
LC-MS:m/z639.1[M+H]+;
实施例18:
(化合物18的制备)
按照合成路线2,用两个当量的N-(2-甲氧基乙基)甲基胺代替氯化铵,收率:61.5%。
H NMR(300MHz,CD3OD):δ8.12(s,1H),8.04(s,2H),7.98(s,1H),7.89(s,1H),7.77(s,1H),7.44-7.40(m,2H),7.27-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.39-4.137(m,4H),3.67(s,2H),3.60-3.56(t,2H),3.34(s,3H),3.32(t,3H),3.09-2.98(m,4H),2.95(s,3H),1.58-1.56(d,J=6.9Hz,3H);
LC-MS:m/z723.1[M+H]+
实施例19:
(化合物19的制备)
按照合成路线2,用两个当量的吡咯烷代替氯化铵,收率:57.8%。
H NMR(300MHz,CD3OD):δ8.11(s,1H),8.10(s,1H),7.99(s,1H),7.89(s,1H),7.85(s,1H),7.45-7.40(m,2H),7.25-7.20(m,4H),7.15-7.16(q,1H),7.08-7.03(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.39-4.28(m,2H),4.16-4.13(m,2H),3.69-3.68(t,2H),3.56-3.51(t,2H),3.35(s,3H),3.04-2.98(m,2H),2.95(s,3H),1.99-1.91(m,4H),1.58-1.56(d,J=6.9Hz,3H);
LC-MS:m/z705.4[M+H]+;
实施例20:
(化合物20的制备)
按照合成路线2,用两个当量的(R)-(-)-2-(甲氧基甲基)吡咯烷代替氯化铵,收率:60.9%。
H NMR(300MHz,CD3OD):δ8.11(s,1H),8.09(s,1H),7.98(s,1H),7.89(s,1H),7.83(s,1H),7.44-7.40(m,2H),7.27-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.39-4.28(m,3H),4.16-4.13(m,2H),3.71-3.67(m,2H),3.54-3.50(m,2H),3.34(s,3H),3.32(s,3H),3.02-2.98(m,2H),2.00-1.98(m,4H),1.58-1.56(d,J=6.9Hz,3H);
LC-MS:m/z749.3[M+H]+
实施例21:
(化合物21的制备)
按照合成路线2,用两个当量的哌啶代替氯化铵,收率:75.5%
H NMR(300MHz,CD3OD):δ8.12(s,1H),7.98(s,1H),7.95(s,1H),7.89(s,1H),7.68(s,1H),7.45-7.40(m,2H),7.27-7.20(m,4H),7.16-7.14(q,1H),7.06-7.03(t,2H),5.25-5.22(q,J=7.5Hz,1H),4.40-4.39(m,1H),4.30-4.24(m,1H),4.15-4.12(m,2H),3.66-3.62(m,4H),3.35(s,3H),3.06-3.01(m,2H),2.95(s,3H),1.70-1.60(d,6H),1.58-1.56(d,J=7.5Hz,3H);
LC-MS:m/z719.3[M+H]+;
实施例22:
(化合物22的制备)
按照合成路线2,用两个当量的吗啉代替氯化铵,收率:54.2%
H NMR(300MHz,CD3OD):δ8.11(s,1H),7.99(s,2H),7.90(s,1H),7.72(s,1H),7.45-7.40(m,2H),7.25-7.20(m,4H),7.16-7.14(m,1H),7.08-7.03(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.38-4.07(m,4H),3.71-3.65(s,8H),3.62-3.58(t,2H),3.35(s,3H),3.04-2.98(m,2H),2.95(s,3H),1.58-1.56(d,J=6.9Hz,3H);
LC-MS:m/z721.3[M+H]+;
实施例23:
(化合物23的制备)
按照合成路线2,用两个当量的环己亚胺代替氯化铵,收率:64.8%
H NMR(300MHz,CD3OD):δ8.12(s,1H),7.98(s,2H),7.90(s,1H),7.73(s,1H),7.45-7.40(m,2H),7.25-7.20(m,4H),7.16-7.14(m,1H),7.08-7.03(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.29-4.12(m,4H),3.70-3.66(t,2H),3.62-3.58(t,2H),3.35(s,3H),3.04-2.98(m,2H),2.95(s,3H),1.77(s,4H),1.77(s,4H),1.58(s,4H),1.58-1.56(d,J=6.9Hz,3H);
LC-MS:m/z733.4[M+H]+;
实施例24:
(化合物24的制备)
按照合成路线2,用两个当量的环丙胺代替氯化铵,收率:72.1%
H NMR(300MHz,CD3OD):δ8.11(s,1H),8.06(s,2H),7.99(s,1H),7.89(s,1H),7.84(s,1H),7.44-7.40(m,2H),7.27-7.20(m,4H),7.16-7.14(m,1H),7.05-7.02(t,2H),5.24-5.22(q,J=6.9Hz,1H),4.40-4.09(m,4H),3.34(s,3H),3.04-2.95(m,4H),2.94(s,3H),2.75-2.72(m,1H),1.58-1.56(d,J=6.9Hz,3H);0.76-0.71(m,2H),0.58-0.54(m,2H)
LC-MS:m/z691.3[M+H]+
实施例25:
(化合物25的制备)
按照合成路线2,用两个当量的乙醇胺代替氯化铵,收率:63.2%
H NMR(300MHz,CD3OD):δ8.12(s,1H),8.08(s,2H),7.99(s,1H),7.89(s,1H),7.87(s,1H),7.44-7.39(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.08-7.02(t,2H),5.24-5.22(q,J=7.5Hz,1H),4.40-4.12(m,4H),3.66-3.62(t,2H),3.42-3.39(t,2H),3.34(s,3H),3.05-3.00(m,4H),2.95(s,3H),1.58-1.55(d,J=7.5Hz,3H);
LC-MS:m/z695.3[M+H]+
实施例26:
(化合物26的制备)
按照合成路线2,用两个当量的苯胺代替氯化铵,收率:53.8%
H NMR(300MHz,CD3OD):δ8.12(s,1H),8.05(s,1H),8.02(s,1H),7.98(s,1H),7.91(s,1H),7.62(s,1H),7.59(s,1H),7.44-7.40(m,2H),7.34-7.23(m,6H),7.17-7.03(m,4H),5.23-5.21(q,J=6.9Hz,1H),4.45-4.40(m,1H),4.35-4.29(m,1H),4.20-4.16(m,2H),3.34(s,3H),3.11-3.02(m,2H),2.94(s,3H),1.70-1.60(d,6H),1.58-1.55(d,J=6.9Hz,3H)
LC-MS:m/z727.2[M+H]+;
实施例27:
(化合物27的制备)
按照合成路线2,用两个当量的4-甲氧基苄胺代替氯化铵,收率:51.5%
H NMR(300MHz,CD3OD):δ8.11(s,1H),8.08(s,1H),7.98(s,1H),7.88-7.87(s,2H),7.43-7.39(m,2H),7.27-7.20(m,6H),7.15-7.13(m,1H),7.04-7.01(t,2H),6.87-6.82(d,2H),5.23-5.21(q,J=7.2Hz,1H),4.42-4.37(m,3H),4.30-4.24(m,1H),4.13-4.10(m,2H),3.74(s,3H),3.35(s,3H),3.09-2.95(m,2H),2.93(s,3H),1.57-1.55(d,J=7.2Hz,3H);
LC-MS:m/z 771.1[M+H]+
实施例28:
(化合物28的制备)
按照合成路线3,收率:45.5%
将化合物Ia(68mg,0.1mmol),呋喃-2-硼酸(17mg,0.15mmol),碳酸钾(30mg,0.2mmol),氯化锂一水合物(20mg,0.3mmol)依次加入5mL(甲苯/乙醇/水=2/2/1,体积比)的混合溶剂中,在氩气保护下加入四(三苯基磷)钯(6mg,0.005mmol)。在微波辅助下于120℃,反应1小时。反应完全后将反应液倾入50mL水中,乙酸乙酯萃取(50mL×2),合并有机相,饱和食盐水洗涤,无水硫酸钠干燥,过滤,浓缩,柱层析得到白色无定形固体化合物28(32mg,收率:47.0%)。
H NMR(300MHz,CD3OD):δ8.12(s,1H),7.99(s,1H),7.89(s,2H),7.68(s,1H),7.45-7.39(m,3H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.06-7.03(t,2H),6.41-6.36(m,2H),5.25-5.22(q,J=7.2Hz,1H),4.45-4.40(q,1H),4.30-4.24(m,1H),4.15-4.11(m,2H),3.34(s,3H),3.10-2.98(m,2H),2.95(s,3H),1.58-1.56(d,J=7.2Hz,3H)
LC-MS:m/z674.2[M+H]+;
实施例29:
(化合物29的制备)
按照合成路线3,用呋喃-3-硼酸代替呋喃-2-硼酸,收率:49.5%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.99(s,1H),7.90(s,1H),7.79(s,1H),7.66(s,1H),7.62(s,1H),7.47-7.39(m,3H),7.27-7.20(m,4H),7.16-7.13(m,1H),7.08-7.02(t,2H),6.57(s,1H),5.24-5.22(q,J=5.7Hz,1H),4.44-4.39(t,1H),4.28-4.22(m,1H),4.14-4.09(m,2H),3.33(s,3H),3.07-2.96(m,2H),2.95(s,3H),1.58-1.55(d,J=5.7Hz,3H)
LC-MS:m/z674.3[M+H]+;
实施例30:
(化合物30的制备)
按照合成路线3,用噻吩-2-硼酸代替呋喃-2-硼酸,收率:34.7%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.98(s,1H),7.89(s,1H),7.86(s,1H),7.65(s,1H),7.43-7.39(m,3H),7.28-7.18(m,5H),7.16-7.13(m,1H),7.04-7.01(t,3H),6.98-6.95(m,1H),5.24-5.21(q,J=6.9Hz,1H),4.45-4.40(t,1H),4.29-4.23(q,1H),4.15-4.10(m,2H),3.32(s,3H),3.05-2.97(m,2H),2.93(s,3H),1.57-1.55(d,J=6.9Hz,3H)
LC-MS:m/z690.3[M+H]+;
实施例31:
(化合物31的制备)
按照合成路线3,用噻吩-3-硼酸代替呋喃-2-硼酸,收率:40.2%
H NMR(300MHz,CD3OD):8.12(s,1H),7.98(s,1H),7.89(s,2H),7.72(s,1H),7.44-7.35(m,4H),7.28-7.20(m,5H),7.16-7.14(m,1H),7.08-7.03(t,3H),5.24-5.22(q,J=7.2Hz,1H),4.45-4.40(t,1H),4.29-4.24(q,1H),4.16-4.08(m,2H),3.34(s,3H),3.10-2.94(m,2H),2.92(s,3H),1.58-1.56(d,J=7.2.Hz,3H)
LC-MS:m/z690.1[M+H]+;
实施例32:
(化合物32的制备)
按照合成路线3,用吡啶-3-硼酸代替呋喃-2-硼酸,收率:45.5%
H NMR(300MHz,CD3OD):δ8.69(s,1H),8.33(s,1H),8.14(s,1H),8.10(s,1H),7.98-7.89(m,4H),7.61-7.51(m,1H),7.41-7.35(m,3H),7.28-7.13(m,5H),7.07-7.01(t,2H),5.23-5.21(q,J=7.2Hz,1H),4.46-4.41(m,1H),4.34-4.28(m,1H),4.20-4.15(m,2H),3.32(s,3H),3.06-3.00(m,2H),2.93(s,3H),1.57-1.54(d,J=7.2Hz,3H);
LC-MS:m/z685.3[M+H]+
实施例33:
(化合物33的制备)
按照合成路线3,用吡啶-4-硼酸代替呋喃-2-硼酸,收率:50.6%
H NMR(300MHz,CD3OD):δ8.43(s,1H),8.41(s,1H),8.23(s,1H),8.12(s,1H),8.00(s,1H),7.98(s,1H),7.90(s,1H),7.59(s,1H),7.57(s,1H),7.45-7.40(m,2H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.09-7.03(t,3H),5.24-5.22(q,J=7.2Hz,1H),4.45-4.40(t,1H),4.34-4.29(m,1H),4.21-4.16(m,2H),3.34(s,3H),3.06-2.98(m,2H),2.95(s,3H),1.58-1.55(d,J=7.2Hz,3H);
LC-MS:m/z685.3[M+H]+
实施例34:
(化合物34的制备)
按照合成路线3,用苯硼酸代替呋喃-2-硼酸,收率:60.5%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.98(s,2H),7.90(s,1H),7.79(s,1H),7.50-7.40(m,4H),7.33-7.13(m,8H),7.09-7.03(t,3H),5.24-5.22(q,J=6.9Hz,1H),4.46-4.41(t,1H),4.31-4.25(m,1H),4.18-4.13(m,2H),3.34(s,3H),3.08-2.97(m,2H),2.95(s,3H),1.58-1.56(d,J=6.9Hz,3H);
LC-MS:m/z684.2[M+H]+
实施例35:
(化合物35的制备)
按照合成路线3,用1-萘硼酸代替呋喃-2-硼酸,收率:45.5%
H NMR(300MHz,CD3OD):δ8.12(s,1H),8.09(m,1H),7.98(s,1H),7.90(s,2H),7.87-7.84(m,2H),7.78-7.75(d,2H),7.71(s,1H),7.45-7.36(m,5H),7.29-7.20(m,4H),7.16-7.13(d,1H),7.04-6.99(m,2H),5.22-5.19(q,J=7.2Hz,1H),4.49-4.48(q,1H),4.38-4.35(m,1H),4.26-4.21(m,2H),4.09-4.06(m,1H),3.29(s,3H),3.07-3.01(m,2H),2.89(s,3H),1.55-1.52(d,J=7.2Hz,3H)
LC-MS:m/z734.3[M+H]+;
实施例36:
(化合物36的制备)
按照合成路线3,用2-萘硼酸代替呋喃-2-硼酸,收率:41.9%
H NMR(300MHz,CD3OD):δ8.14-8.10(d,2H),7.98-7.89(m,4H),7.82-7.77(m,3H),7.65-7.63(d,1H),7.44-7.39(m,4H),7.30-7.21(m,5H),7.16-7.14(m,1H),7.08-7.03(t,2H),5.24-5.22(q,J=7.2Hz,1H),4.46(m,1H),4.32(m,1H),4.20-4.17(m,2H),3.31(s,3H),3.07-3.00(m,2H),2.93(s,3H),1.58-1.55(d,J=7.2Hz,3H);
LC-MS:m/z734.4[M+H]+
实施例37:
(化合物37的制备)
按照合成路线3,用2-羟基苯硼酸代替呋喃-2-硼酸,收率:45.5%
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.11(s,1H),7.98(s,1H),7.90(s,2H),7.44-7.39(m,3H),7.28-7.25(m,4H),7.22-7.20(m,1H),7.07-6.97(m,3H),6.83-6.76(t,2H),5.23-5.21(q,J=6.9Hz,1H),4.47-4.42(t,1H),4.32-4.26(m,1H),4.15-4.12(m,2H),3.32(s,3H),3.06-2.97(m,2H),2.93(s,3H),1.57-1.55(d,J=6.9Hz,3H);
LC-MS:m/z700.2[M+H]+
实施例38:
(化合物38的制备)
按照合成路线3,用3-羟基苯硼酸代替呋喃-2-硼酸,收率:42.7%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.98(s,1H),7.91(s,1H),7.89(s,1H),7.73(s,1H),7.44-7.39(m,2H),7.28-7.20(m,4H),7.16-7.02(m,4H),6.96-6.94(d,1H),6.90(s,1H),6.63-6.59(d,1H),5.24-5.22(q,J=7.2Hz,1H),4.46-4.40(t,1H),4.30-4.24(m,1H),4.14-4.11(m,2H),3.32(s,3H),3.05-2.98(m,2H),2.94(s,3H),1.58-1.55(d,J=7.2Hz,3H);
LC-MS:m/z700.2[M+H]+
实施例39:
(化合物39的制备)
按照合成路线3,用4-羟基苯硼酸代替呋喃-2-硼酸,收率:50.5%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.99(s,1H),7.89(s,1H),7.83(s,1H),7.67(s,1H),7.43-7.39(m,2H),7.31-7.19(m,6H),7.13-7.08(m,1H),7.07-7.01(t,2H),6.76-6.73(d,2H),5.23-5.21(q,J=6.9Hz,1H),4.45-4.40(t,1H),4.28-4.22(m,1H),4.15-4.10(m,2H),3.32(s,3H),3.04-2.96(m,2H),2.94(s,3H),1.57-1.55(d,J=6.9Hz,3H);
LC-MS:m/z700.2[M+H]+
实施例40:
(化合物40的制备)
按照合成路线3,用2-甲氧基苯硼酸代替呋喃-2-硼酸,收率:45.5%
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.13(s,1H),7.98(s,1H),7.90(s,1H),7.87(s,1H),7.45-7.48(d,1H),7.44-7.40(m,2H),7.28-6.88(m,10H),5.24-5.22(q,J=7.2Hz,1H),4.47-4.42(t,1H),4.31-4.26(m,1H),4.15-4.12(m,2H),3.33(s,3H),3.08-2.97(m,2H),2.93(s,3H),1.58-1.55(d,J=7.2Hz,3H);
LC-MS:m/z714.3[M+H]+
实施例41:
(化合物41的制备)
按照合成路线3,用3-乙氧基苯硼酸代替呋喃-2-硼酸,收率:55.2%
H NMR(300MHz,CD3OD):δ8.12(s,1H),7.98(s,1H),7.96(s,1H),7.89(s,1H),7.77(s,1H),7.45-7.40(m,1H),7.28-7.03(m,10H),6.75-6.71(d,1H),5.26-5.22(q,J=14.4Hz,1H),4.45-4.12(m,4H),4.06-4.00(q,J=6.9Hz,2H),3.33(s,3H),3.07-2.97(m,2H),2.96(s,3H),1.58-1.54(d,J=14.4Hz,3H);1.40-1.35(t,J=6.9Hz,3H);
LC-MS:m/z728.2[M+H]+
实施例42:
(化合物42的制备)
按照合成路线3,用4-甲氧基苯硼酸代替呋喃-2-硼酸,收率:65.5%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.98(s,1H),7.89(s,1H),7.87(s,1H),7.70(s,1H),7.44-7.38(m,4H),7.28-7.20(m,4H),7.16-7.13(d,2H),7.08-7.02(t,3H),6.89-6.85(d,2H),5.24-5.22(q,J=6.0Hz,1H),4.45-4.11(m,4H),3.77(s,3H),3.33(s,3H),3.05-2.96(m,2H),2.94(s,3H),1.58-1.55(d,J=6.0Hz,3H);
LC-MS:m/z714.3[M+H]+
实施例43:
(化合物43的制备)
按照合成路线3,用2,6-二甲氧基苯硼酸代替呋喃-2-硼酸,收率:35.8%
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.10(s,1H),7.98(s,1H),7.93(s,1H),7.90(s,1H),7.44-7.40(m,2H),7.28-7.12(m,6H),7.04-7.02(t,2H),6.69-6.66(d,2H),5.24-5.22(q,J=7.2Hz,1H),4.47-4.45(m,1H),4.31-4.25(m,1H),4.15-4.13(m,2H),3.81(s,6H),3.33(s,3H),3.06-2.97(m,2H),2.96(s,3H),1.58-1.56(d,J=7.2Hz,3H);
LC-MS:m/z744.3[M+H]+
实施例44:
(化合物44的制备)
按照合成路线3,用2-氟苯硼酸代替呋喃-2-硼酸,收率:75.8%
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.05(s,1H),7.98(s,1H),7.90(s,1H),7.62-7.57(m,1H),7.43-7.37(m,2H),7.28-7.02(m,10H),5.24-5.22(q,J=6.9Hz,1H),4.47-4.42(m,1H),4.33-4.28(m,1H),4.20-4.15(m,2H),3.33(s,3H),3.06-3.00(m,2H),2.96(s,3H),1.57-1.55(d,J=6.9Hz,3H);
LC-MS:m/z702.2[M+H]+
实施例45:
(化合物45的制备)
按照合成路线3,用3-氟苯硼酸代替呋喃-2-硼酸,收率:89.5%
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.05(s,1H),7.98(s,1H),7.90(s,1H),7.82(s,1H),7.44-7.39(m,2H),7.31-7.19(m,7H),7.16-7.14(m,1H),7.08-7.01(t,2H),6.91-6.88(s,1H),5.25-5.22(q,J=7.2Hz,1H),4.46-4.40(m,1H),4.31-4.25(m,1H),4.16-4.13(m,2H),3.34(s,3H),3.06-3.00(m,2H),2.97(s,3H),1.58-1.56(d,J=7.2Hz,3H);
LC-MS:m/z702.2[M+H]+
实施例46:
(化合物46的制备)
按照合成路线3,用4-氟苯硼酸代替呋喃-2-硼酸,收率:75.8%
H NMR(300MHz,CD3OD):δ8.13(s,1H),7.98(s,1H),7.94(s,1H),7.90(s,1H),7.76(s,1H),7.52-7.40(m,4H),7.28-7.20(m,4H),7.16-7.14(m,1H),7.09-7.01(t,2H),5.24-5.22(q,J=7.2Hz,1H),4.45-4.40(m,1H),4.31-4.25(m,1H),4.15-4.12(m,2H),3.34(s,3H),3.08-2.97(m,2H),2.96(s,3H),1.58-1.56(d,J=7.2Hz,3H);
LC-MS:m/z702.2[M+H]+
实施例47:
(化合物47的制备)
按照合成路线3,用2,4-二氟苯硼酸代替呋喃-2-硼酸,收率:76.4%
H NMR(300MHz,CD3OD):δ8.12(s,1H),8.02(s,1H),7.99(s,1H),7.90(s,1H),7.83(s,1H),7.62-7.60(m,1H),7.44-7.39(m,2H),7.28-7.20(m,4H),7.16-7.14(d,1H),7.13-6.94(m,4H),5.24-5.22(q,J=6.9Hz,1H),4.44-4.14(m,4H),3.33(s,3H),3.06-3.00(m,2H),2.98(s,3H),1.57-1.55(d,J=6.9Hz,3H);
LC-MS:m/z720.1[M+H]+
实施例48:
(化合物48的制备)
按照合成路线3,用2,4-二氟苯硼酸代替呋喃-2-硼酸,收率:45.9%
H NMR(300MHz,CD3OD):δ8.21(s,1H),8.14(s,1H),8.07(s,2H),8.01(s,1H),7.98(s,1H),7.73(s,1H),7.44-7.39(m,2H),7.28-7.20(m,4H),7.16-7.14(d,1H),7.07-7.01(t,2H),5.24-5.21(q,J=6.9Hz,1H),4.45-4.29(m,2H),4.20-4.17(m,2H),3.33(s,3H),3.06-3.00(m,2H),2.98(s,3H),1.57-1.55(d,J=6.9Hz,3H);
LC-MS:m/z820.2[M+H]+
实施例49:
(化合物49的制备)
按照合成路线1,用3-(R)-甲基苄胺甲酰基-5-N-甲磺酰胺基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰胺基苯甲酸,收率:85.5%
H NMR(300MHz,CD3OD):δ8.15(s,1H),8.11(s,1H),7.99(s,1H),7.88(s,1H),7.85(s,1H),7.42-7.39(m,2H),7.35-7.31(t,2H),7.28-7.20(m,5H),7.16-7.13(d,1H),5.25-5.23(q,J=7.2Hz,1H),4.41-4.38(m,1H),4.32-4.21(m,3H),4.15-4.12(m,2H),3.35(s,3H),3.05-2.95(m,2H),2.94(s,3H),1.59-1.57(d,J=7.2Hz,3H),1.33-1.28(t,3H);
LC-MS:m/z662.2[M+H]+
实施例50:
按照合成路线4,收率:25.5%
环氧化物Ib(52mg,0.2mmol)和吡唑-4-乙酯(42mg,0.3mmol)溶解于5mL DMF中,加入碳酸钾(42mg,0.3mmol)。微波反应100℃,1小时。向体系中加入50mL水,乙酸乙酯萃取(50mL×2),合并有机相,饱和食盐水洗涤,无水硫酸钠干燥,过滤,浓缩,柱层析得到白色固体Ic(65mg,收率:81.2%,熔点:102-104℃)。将化合物Ic(40mg,0.1mmol)溶解在10mL的无水四氢呋喃中,加入两个当量的三乙胺(40μL,0.2mmol),滴加两个当量的甲磺酰氯(15μL,0.2mmol),室温搅拌两个小时。滴加甲醇焠灭过量的甲磺酰氯,继续搅拌半个小时,回收溶剂柱层析得化合物Id(39mg,收率:81.3%,熔点:144-146℃)。将化合物Id(39mg,0.08mmol)溶解于2mL DMF中,加入2个当量的叠氮化钠(10mg,0.16mmol)于60℃反应过夜。向体系中加入50mL水,乙酸乙酯萃取(50mL×2),合并有机相,饱和食盐水洗涤,无水硫酸钠干燥,过滤,浓缩,柱层析得到白色固体Ie (30mg,收率:88.2%,熔点:118-120℃)。将化合物Ie(30mg,0.07mmol)溶于4mL二氯甲烷中,向体系中加入1mL三氟乙酸,室温反应2h。浓缩,得到的胺未经处理直接进入下一步反应。将酸(30mg,0.08mmol)溶于2mL DMF中,加入EDCI(20mg,0.10mmol),HOBt(10mg,0.07mmol),室温搅拌10min。将上步得到的胺溶于2mL的DMF,加入DIPEA(50μl,0.3mmol),将其滴入到上述反应体系,然后微波条件下70℃反应15min。向体系中加入30mL水,乙酸乙酯萃取(50mL×2),合并有机相,稀酸洗(25mL×2),饱和碳酸氢钠洗(25mL×2),饱和食盐水洗涤,无水硫酸钠干燥,过滤,浓缩,柱层析得到白色固体化合物If(42mg,收率:85.7%,熔点:157-159℃)。将化合物If(42mg,0.06mmol)溶解于20mL的(乙醇/水=3/1,体积比)的混合溶剂中,依次加入10个当量的氯化铵(30mg,0.6mmol),10个当量的锌粉(40mg,0.6mmol)。室温搅拌过夜。硅藻土过滤,无水乙醇洗涤,滤液减压回收后直接柱层析。得化合物50(32mg。收率:82.0%)。
H NMR(300MHz,CD3OD):δ8.20(s,1H),8.08(s,1H),7.98(s,1H),7.88(s,1H),7.85(s,1H),7.44-7.39(m,2H),7.23-7.13(m,4H),7.11-7.08(q,1H),7.05-7.02(t,3H),5.24-5.21(q,J=7.2Hz,1H),4.39-4.33(m,2H),4.28-4.23(q,J=6.9Hz,2H),4.16-4.13(m,1H),3.51-3.47(s,1H),3.33(s,3H),3.04-2.97(m,2H),2.94(s,3H),1.57-1.55(d,J=7.2Hz,3H);1.33-1.28(t,J=6.9Hz,3H)
LC-MS:m/z679.2[M+H]+;
实施例51:
按照合成路线4,与实施例50同,只是用3-(R)-甲基苄胺甲酰基-5-N-甲磺酰胺基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰胺基苯甲酸,收率:30.9%
H NMR(300MHz,CD3OD):δ8.12(s,1H),7.97(s,1H),7.89(s,1H),7.88(s,1H),7.41-7.21(m,9H),6.90-6.88(d,1H),5.32-5.30(q,1H),4.72(q,J=6.6.Hz,1H),4.48-4.45(q,1H),4.30-4.23(m,4H),4.05-4.01(m,1H),3.51-3.48(s,1H),3.34(s,3H),3.02-2.88(s,3H),2.85(s,3H),1.64-1.62(d,J=6.6Hz,3H);1.35-1.30(t,J=7.2Hz,3H)
LC-MS:m/z661.1[M+H]+;
实施例52:
按照合成路线4,与实施例51同,将化合物Ig(42mg,0.06mmol)溶解在10mL的胺的甲醇溶液中封管120℃反应过夜。反应完全后水泵减压回收多余溶剂。粗产物未经纯化直接进入下步锌粉还原。柱层析得产物53(29mg,收率:25.6%)。
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.10(s,1H),7.99(s,1H),7.92(s,1H),7.86(s,1H),7.42-7.40(d,2H),7.36-7.31(t,2H),7.27-7.20(m,5H),7.16-7.14(d,1H),5.25-5.23(q,J=6.9Hz 1H),4.41-4.33(m,2H),4.16-4.11(d,1H),3.49-3.46(m,1H),3.35(s,3H),3.11-2.90(m,2H),2.98(s,3H),1.59-1.57(d,J=6.9Hz,3H)
LC-MS:m/z 632.3[M+H]+;
实施例53:
按照合成路线4,与实施例51同,将化合物Ig(42mg,0.06mmol)溶解于10mL(THF/EtOH/H2O=2/2/1)溶液中,加入两个当量的氢氧化钠(5mg,0.12mmol),室温搅拌过夜。将反应液PH值调至4,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,回收溶剂,所得的粗产物未经纯化直接用于下步反应。将上步所得酸溶于2mL DMF中,加入EDCI (20mg,0.10mmol),HOBt(10mg,0.08mmol),甲胺盐酸盐(14mg,0.2mmol)室温搅拌10min。将上步得到的胺溶于2mL的DMF,加入DIPEA (50μL,0.3mmol),将其滴入到上述反应体系,然后微波条件下70℃反应15min。向体系中加入50mL水,乙酸乙酯萃取(50mL×2),合并有机相,稀酸洗涤(25mL×2),饱和碳酸氢钠洗(25mL×2),饱和食盐水洗涤,无水硫酸钠干燥,过滤,浓缩后直接进行锌粉还原。柱层析得到白色固体化合物53(24mg,收率:22.9%)。
H NMR(300MHz,CD3OD):δ8.14(s,1H),8.02-7.98(d,2H),7.88-7.84(d,2H),7.41-7.11(m,10H),5.24-5.22(q,J=6.6Hz 1H),4.59-4.37(m,2H),4.21-4.16(m,1H),3.58-3.50(m,1H),3.33(s,3H),3.11-2.96(m,2H),3.06(s,3H),2.98(s,3H),1.58-1.56(d,J=6.6Hz,3H)
LC-MS:m/z646.3[M+H]+;
实施例54:
(化合物54的制备)
按照合成路线4,用乙胺的盐酸盐代替甲胺盐酸盐。收率:24.5%
H NMR(300MHz,CD3OD):δ8.10(s,1H),8.07(s,1H),7.98(s,1H),7.90(s,1H),7.85(s,1H),7.41-7.39(d,2H),7.35-7.30(t,2H),7.26-7.16(m,5H),7.15-7.13(d,1H),5.25-5.22(q,J=6.9Hz 1H),4.41-4.35(m,2H),4.19-4.12(m,1H),3.36(m,5H),3.10-3.04(m,2H),2.90(s,3H),1.58-1.56(d,J=6.9Hz,3H),1.19-1.14(t,3H)
LC-MS:m/z660.2[M+H]+;
实施例55:
(化合物55的制备)
按照合成路线4,用二甲胺的盐酸盐代替甲胺盐酸盐。收率:20.5%
H NMR(300MHz,CD3OD):δ8.12(s,2H),7.98(s,1H),7.85(s,2H),7.42-7.39(d,2H),7.34-7.29(t,2H),7.26-7.18(m,5H),7.15-7.13(d,1H),5.23-5.21(q,J=6.6Hz 1H),4.53-4.42(m,3H),3.83-3.81(m,1H),3.32(m,5H),3.13(s,3H),3.06(s,3H),3.10-3.04(m,2H),2.93(s,3H),1.59-1.57(d,J=6.6Hz,3H),
LC-MS:m/z660.3[M+H]+;
实施例56:
(化合物56的制备)
按照合成路线4,用二乙胺代替甲胺盐酸盐。收率:19.7%
H NMR(300MHz,CD3OD):δ8.12(s,1H),8.03(s,1H),7.91(s,1H),7.85(s,1H),7.42-7.10(m,10H),5.25-5.21(q,J=6.6Hz 1H),4.59-4.35(m,3H),3.80-3.76(s,1H),3.51(s,4H),3.33(s,3H),3.17-3.04(m,2H),2.96(s,3H),1.59-1.57(d,J=6.6Hz,3H),1.22(s,6H),
LC-MS:m/z688.2[M+H]+;
实施例57:
(化合物57的制备)
按照合成路线4,用二丙胺代替甲胺盐酸盐。收率:20.8%
H NMR(300MHz,CD3OD):δ8.08(s,1H),8.01(s,1H),7.97(s,1H),7.86(s,1H),7.73(s,2H),7.42-7.39(d,2H),7.35-7.30(t,2H),7.25-7.18(m,5H),7.15-7.13(d,1H),5.24-5.22(q,J=6.6Hz 1H),4.40-4.33(m,2H),4.20-4.13(m,1H),3.52-3.50(m,1H),3.48(m,4H),3.42(s,3H),3.07-2.94(m,2H),2.94(s,3H),1.66-1.62(m,4H),1.59-1.57(d,J=6.6Hz,3H),0.90-0.89(m,6H),
LC-MS:m/z716.3[M+H]+;
实施例58:
(化合物58的制备)
按照合成路线2,用3,5-二甲基吗啉代替氯化铵。收率:70.5%
H NMR(300MHz,CD3OD):δ8.12(s,1H),7.98(s,1H),7.96(s,1H),7.89(s,1H),7.71(s,2H),7.44-7.39(m,2H),7.27-7.20(m,4H),7.16-7.12(d,1H),7.08-7.02(t,2H),5.24-5.22(q,J=6.9Hz 1H),4.41-4.36(m,1H),4.29-4.24(m,1H),4.18-4.09(m,2H),3.58-3.54(m,2H),3.34(s,3H),3.06-2.94(m,2H),3.01(s,2H),2.84(s,2H),2.98(s,3H),1.58-1.55(d,J=6.9Hz,3H),1.16-1.14(m,6H),
LC-MS:m/z749.3[M+H]+;
实施例59:
(化合物59的制备)
按照合成路线2,用2,3,4,5-四氢-1H-苯并[D]氮杂卓(盐酸盐)代替氯化铵。收率:46.5%
H NMR(300MHz,CD3OD):δ8.14(s,1H),7.99(s,2H),7.92(s,1H),7.71(s,2H),7.44-7.39(m,2H),7.28-7.21(m,4H),7.17-7.12(m,5H),7.04-7.02(t,2H),5.24-5.22(q,J=7.2Hz 1H),4.40-4.38(m,1H),4.32-4.26(m,1H),4.17-4.14(m,2H),3.80-3.78(m,4H),3.34(s,3H),3.06-2.94(m,2H),3.01(s,2H),2.99-2.98(m,4H),2.94(s,3H),1.57-1.55(d,J=7.2Hz,3H)
LC-MS:m/z781.3[M+H]+;
实施例60:
(化合物60的制备)
按照合成路线2,用3-二丙胺甲酰基-5-甲基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰氨基苯甲酸,收率:70.5%
H NMR(300MHz,CD3OD):δ8.00(s,1H),7.74(s,2H),7.65(s,1H),7.48(s,2H),7.31(s,2H),7.27-7.20(m,4H),7.16-7.14(t,1H),4.41-4.11(m,4H),3.71-3.67(t,2H),3.62-3.59(t,2H),3.48-3.43(t,2H),3.19-3.14(t,2H),3.04-2.96(m,2H),2.42(s,3H),1.78-1.49(m,10H),1.01-0.96(t,3H),0.73-0.69(t,3H),
LC-MS:m/z602.4[M+H]+;
实施例61:
(化合物61的制备)
按照合成路线2,用N’-[(R)-2-(甲氧基甲基)吡咯甲酰-5-甲基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰氨基苯甲酸,收率:73.8%
H NMR(300MHz,CD3OD):δ8.00(s,1H),7.74(s,2H),7.66(s,1H),7.62(s,1H),7.44(s,2H),7.27-7.14(m,5H),4.38-4.12(m,4H),3.71-3.67(t,2H),3.62-3.58(m,4H),3.39(s,3H),3.06-2.98(m,3H),2.42(s,3H),2.08-1.96(m,4H),1.78(s,4H),1.60(s,4H),
LC-MS:m/z616.4[M+H]+;
实施例62:
(化合物62的制备)
按照合成路线2,用3-二乙胺甲酰基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰氨
基苯甲酸,收率:80.2%
H NMR(300MHz,CD3OD):δ8.10(s,1H),7.85(s,1H),7.74(s,1H),7.52(s,1H),7.27-7.14(m,5H),4.31-4.12(m,4H),3.70-3.67(t,2H),3.62-3.54(m,4H),3.28-3.24(m,2H),3.04-2.98(m,2H),1.77(s,4H),1.59(s,4H),1.27-1.23(t,3H),1.22-1.08(t,3H),
LC-MS:m/z560.3[M+H]+;
实施例63:
(化合物63的制备)
按照合成路线2,用3-[(R)-甲基对氟苄胺甲酰基]-5-硝基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰氨基苯甲酸,收率:78.4%
H NMR(300MHz,CD3OD):δ8.78(s,1H),8.68(s,1H),8.56(s,1H),7.99(s,1H),7.73(s,1H),7.44-7.40(m,2H),7.27-7.02(m,7H),5.25-5.23(q,J=7.2Hz 1H),4.11-4.14(m,4H),3.70-3.66(t,2H),3.60-3.56(t,2H),3.08-2.95(m,2H),1.76(s,4H),1.59(s,4H),1.59-1.56(d,J=7.2Hz 3H),
LC-MS:m/z671.3[M+H]+;
实施例66:
(化合物66的制备)
按照合成路线2,用3-[(R)-甲基对氟苄胺甲酰基]苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰氨基苯甲酸收率:73.9%
H NMR(300MHz,CD3OD):δ8.22(s,1H),7.98(s,1H),7.96-7.93(d,1H),7.89-7.87(d,1H),7.72(s,1H),7.53-7.48(t,1H),7.43-7.39(m,2H),7.27-7.19(m,4H),7.15-7.11(m,1H),7.07-7.01(t,2H),5.23-5.21(q,J=6.6Hz,1H),4.43-4.38(m,1H),4.29-4.24(m,1H),4.17-4.11(m,2H),3.68-3.64(m,2H),3.60-3.56(m,2H),3.06-2.98(m,2H),1.75(s,4H),1.56(s,4H),1.56-1.54(d,J=6.6Hz,3H),
LC-MS:m/z 626.4[M+H]+;
实施例67:
(化合物67的制备)
按照合成路线2,用3-异丁胺甲酰基-5-N-甲磺酰氨基苯甲酸代替3-[(R)-甲基对氟苄胺甲酰基]-5-N-甲磺酰胺基苯甲酸,收率:74.7%
H NMR(300MHz,CD3OD):δ8.13(s,1H),δ8.00(s,1H),7.98(s,1H),7.90(s,1H),7.74(s,1H),7.28-7.21(m,4H),7.16-7.13(m,1H),4.42-4.37(t,1H),4.31-4.25(t,1H),4.19-4.13(m,2H),3.71-3.66(m,2H),3.62-3.58(m,2H),3.35(s,3H),3.22-3.20(d,2H),3.07-2.97(m,2H),2.95(s,3H),2.20-1.91(m,1H),1.77(s,4H),1.59(s,4H),0.98-0.96(d,6H),
LC-MS:m/z 667.4[M+H]+。
实验实施例:羟乙基吡唑类化合物或氨乙基吡唑类化合物的活性测定:
(1)β-分泌酶蛋白的获得:
实验采用β-分泌酶胞外区蛋白(质粒来源于Stefan Masure博士(参考文献:Protein Expression and Purification,2002,26:139-148)),1-454氨基酸(下文简称BACE1),为分泌蛋白,将此蛋白的基因构建于pFastBacTM1载体(购自invitrogen)中,C端添加6个组氨酸。通过(Invitrogen)杆状病毒表达系统获得目的蛋白。
首先将重组质粒转化到大肠杆菌DH10BacTM感受态细胞(购自invitrogen)中,其中包含了杆状病毒穿梭载体,即杆粒,挑取经转位后含有pFastBacTM中目的基因段的重组克隆,培养并抽提重组杆粒。将重组杆粒转染complete TNM-FH培养基培养的Sf9昆虫细胞(购自invitrogen),培养3-5天后收获含有第一代病毒的培养基,继续转染分别获得第二代、第三代病毒。采用含有第三代病毒的培养基感染Express无血清培养基培养的HighFiveTM昆虫细胞(购自invitrogen),表达目的蛋白,72小时后收集含有目的蛋白的培养基,有待下一步的纯化。将含有目的蛋白的培养基(25-30mL)在1L的平衡缓冲液(20mM磷酸钠(sodium phosphate)pH8.0,300mM NaCl,10mM咪唑(imidazole))中透析过夜,12000rpm离心15分钟,重复一次,收集上清液。将上清液上样至经平衡缓冲液平衡的金属离子螯合层析柱(1mL HiTrapTM chelating HP column(GE Healthcare,Life Sciences),在洗净杂蛋白后采用洗脱缓冲液(20mM sodium phosphate pH8.0,300mM NaCl,250mM imidazole)洗脱得到目的蛋白即β-分泌酶胞外区(BACE1),最后,经12%聚丙烯酰胺凝胶电泳(SDS-PAGE)分离鉴定纯化得到的蛋白,纯度为90%左右。
(2)活性测定
实验使用DABCYL-Ser-Glu-Val-Asn-Leu-Asp-Ala-Glu-Phe-EDANS(Synpep,下简称BS)作为底物,测活反应在384孔微孔板中进行,反应体积为25μl,含有100mM醋酸钠(sodium acetate)(pH 4.0))、20μMBS、50nM BACE-1、2μl二甲亚砜(DMSO)或溶于DMSO的待测化合物(50μg/ml)。室温反应,在多功能读板仪器EnvisionTM(PerkinElmer)中检测荧光信号,激发和吸收波长分别为355nm和460nm,记录并计算得到酶反应初期单位时间荧光信号的增长量,以此代表酶反应初速度,以待测化合物对β-分泌酶活性的抑制率代表该化合物的活性,其中,抑制率(inhibition)计算见公式1。
公式1中υcompound和υDMSO分别代表含有化合物和DMSO的酶反应初速度。
如果待检测化合物在20μg/mL时抑制率大于50%,再进一步稀释7-9个浓度,计算IC50,即酶初速度被抑制一半时化合物的浓度。阳性抑制剂为化合物OM99-2(OM99-2是以八肽[谷氨酸-缬氨酸-天冬酰胺-亮氨酸-丙氨酸-丙氨酸-谷氨酸-苯丙氨酸]为基础的,用一过渡状态的等配物羟乙烯基代替了亮氨酸-丙氨酸肽键的化合物)。
所得部分化合物活性如表1所示:
表1
通过在分子水平上的筛选,发现上述化合物表现出对β-分泌酶具有较好的活性,为进一步研究可能具有改善认知功能、同时缓解AD疾病进展的创新药物提供了有价值的信息。
Claims (10)
1.一种由通式I表示的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐:
其中,
Z为OH或NH2;
R1为其中,A为卤素;X为NH;Y为羰基;R7为C1-C6直链烷基或C3-C6支链烷基;
R2为其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C3-C6环烷基;
R3为苯基;
R4和R6相同或不同,各自独立地为H、C1-C6直链烷基、C3-C6支链烷基或C1-C6烷氧基羰基;
R5为H、羧基、C1-C6直链烷基、C3-C6支链烷基、C1-C6烷氧基羰基、羟基C1-C6亚烷基、取代或未取代的氨基羰基、取代或未取代的苯基、萘基、取代或未取代的含有1-3个杂原子的5-7元饱和杂环基羰基或者含有1-3个杂原子的5-11元不饱和杂环基;
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基、C3-C6支链烷基、C3-C6环烷基、C1-C6烷氧基、C1-C6烷氧基C1-C6亚烷基、羟基C1-C6亚烷基、苯基和C1-C3烷氧基取代的苯甲基;
所述取代的苯基的取代基为羟基、C1-C6烷氧基、卤素或卤素取代的C1-C3烷基;
所述杂原子为N、S或O;
所述取代的含有1-3个杂原子的5-7元饱和杂环基羰基的取代基为C1-C3烷基或C1-C6烷氧基C1-C6亚烷基。
2.根据权利要求1所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐,其中,
Z为OH;
R1为其中,A为F、Cl或Br;X为NH;Y为羰基;R7为C1-C6直链烷基或C3-C6支链烷基;
R2为其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基或C3-C6支链烷基。
3.根据权利要求2所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐,其中,
Z为OH;
R1为其中,R7为C1-C4直链烷基;
R2为其中,R8和R9同时为H或C1-C4直链烷基;
R4和R6相同或不同,各自独立地为H、C1-C4直链烷基或C1-C4烷氧基羰基;
R5为H、羧基、C1-C4直链烷基、C1-C4烷氧基羰基、羟基C1-C4亚烷基、取代或未取代的氨基羰基、取代或未取代的苯基、萘基、C1-C4烷氧基C1-C4亚烷基取代的或未取代的吡咯烷基羰基哌啶基羰基C1-C3烷基取代的或未取代的吗啉基羰基环庚胺基羰基苯并环庚胺基羰基呋喃基噻吩基或吡啶基其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或两个取代:C1-C4直链烷基、C3-C5环烷基、C1-C4烷氧基、C1-C4烷氧基C1-C4亚烷基、羟基C1-C4亚烷基、苯基和C1-C3烷氧基取代的苯甲基;
所述取代的苯基的取代基为羟基、C1-C4烷氧基、F或三氟甲基。
4.根据权利要求1所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐,其中,
Z为NH2;
R1为其中,X为NH;Y为羰基;R7为C1-C6直链烷基或C3-C6支链烷基;
R2为其中,R8和R9相同或不同,各自独立地为H、C1-C6直链烷基或C3-C6支链烷基;
R4和R6相同或不同,各自独立地为C1-C6烷氧基羰基;
R5为C1-C6烷氧基羰基或者取代或未取代的氨基羰基;
其中,所述取代的氨基羰基的N原子被选自下列基团中的一个或多个取代:C1-C6直链烷基和C3-C6支链烷基。
5.根据权利要求4所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐,其中,
Z为NH2;
R1为其中,X为NH;Y为羰基;R7为C1-C4直链烷基;
R2为其中,R8和R9同时为H或C1-C4直链烷基;
R4和R6相同或不同,各自独立地为C1-C4烷氧基羰基;
R5为C1-C4烷氧基羰基或者取代或未取代的氨基羰基;
其中,所述取代的氨基羰基的N原子被一个或多个C1-C4直链烷基取代。
6.根据权利要求1所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐,所述化合物选自下列化合物中:
7.根据权利要求1~6中任一项所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐在制备作为β-分泌酶抑制剂的药物中的用途。
8.根据权利要求7所述的用途,其中,所述作为β-分泌酶抑制剂的药物用于预防、延缓或治疗由Aβ的沉积引发的疾病。
9.根据权利要求8所述的用途,其中,所述由Aβ的沉积引发的疾病为阿尔茨海默氏病。
10.一种药物组合物,其包含治疗有效量的选自权利要求1~6中任一项所述的羟乙基吡唑类化合物或氨乙基吡唑类化合物或其药学上可接受的盐中的一种或多种,以及任选地药剂学上允许的一种或多种赋形剂。
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