CN111978301A - 一种具有内皮脂肪酶抑制作用的苯并咪唑类化合物及应用 - Google Patents
一种具有内皮脂肪酶抑制作用的苯并咪唑类化合物及应用 Download PDFInfo
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Abstract
本发明公开了一种具有内皮脂肪酶抑制作用的苯并咪唑类化合物及应用,属于医药技术领域。本发明苯并咪唑类化合物具有对内皮脂肪酶优异的抑制作用,可有效治疗动脉粥样硬化及其后遗症如冠心病,还促进治疗代谢综合症和其后遗症糖尿病。本发明苯并咪唑类化合物在水性介质中具有较好的溶解度,同时具有较好的生物活性,代谢稳定性也较好,在血清稳定性方面显示出优势。
Description
技术领域
本发明属于医药技术领域,具体涉及一种具有内皮脂肪酶抑制作用的苯并咪唑类化合物及应用。
背景技术
心血管疾病是普遍的主要健康风险,动脉粥样硬化为心脏病发作及中风的主要原因。动脉粥样硬化涉及许多细胞类型及分子因素的复杂疾病(Ross,R.,Nature,362(6423):801-809(1993))。流行病学研究表明高密度蛋白(HDL)含量与动脉粥样硬化风险之间的反比关系,其中高密度蛋白自组织输送内源性胆固醇至肝脏以及介导选择性胆固醇生成组织(Gordon,D.J.等N.Eng.J.Med.,321(19):1311-1316(1989))。
HDL代谢受磷脂酶及三酸甘油酯(TG)脂酶蛋白质家族等若干成员的影响,它水解三酸甘油酯、磷脂(PL)及胆甾醇脂(CE),生成脂肪酸以便于肠吸收、能量产生或储存。在TG脂酶中,脂蛋白脂酶(LPL)由水解富含三酸甘油酯之脂蛋白中的三酸甘油酯,使脂质及脂蛋白元转移至HDL而影响HDL胆固醇的代谢,且负责水解肌肉及脂肪组织中的乳糜微粒及极低密度脂蛋白(VLDL)。肝酯酶(HL)水解HDL三酸甘油酯及磷脂,生成较小的脂质消耗HDL粒子,且在HDL胆固醇吸收中起作用(Jin,W.等人,Trends Endocrinol.Metab.,13(4):174-178(2002);Wong,H.等人,J.Lipid Res.,43:993-999(2002))。
内皮酯酶(亦称为EDL、EL、LIPG、内皮源脂酶及内皮细胞源脂酶)在内皮细胞中合成,此为区分其与其他家族成员的特征。重组内皮脂酶蛋白质具有相当大的磷脂酶活性,但已报道对三酸甘油酯脂质具有较小水解活性(Hirata,K.等J.Biol.Chem.,274(20):14170-14175(1999);Jaye,M.等Nat.Genet.,21:424-428(1999))。然而,内皮脂酶除显示其HDL磷脂酶活性外,也显示离体三酸甘油酯脂酶活性,且发现内皮脂酶比其他脂蛋白更有效地水解HDL(McCoy,M.G.等J.Lipid Res.,43:921-929(2002))。人类内皮脂酶基因在小鼠肝脏中过度表达明显降低HDL胆固醇及其主要蛋白质脂蛋白元A-I(apoA-I)的血浆浓度(Jaye,M.等Nat.Genet.,21:424-428(1999))。
已报到可调节内皮脂酶表现的化合物有多种,例如Eli Lilly Co.的3-侧氧基-1,3-二氢-吲唑-2-甲酰胺(WO2004/093872,US2006/0211755A1)、3-侧氧基-3-H-苯并[d]异噁唑-2-甲酰胺(WO 2004/094393,美国专利第7,217,727号)及苯并异噻唑-3-酮-2-甲酰胺(WO2004/094394,美国专利第7,595,403号);Sanofi-Aventis的酰基吲唑衍生物(WO2007/042178、US 2008/0287448A1)及咪唑并吡啶-2-酮衍生物(WO2007/110215,US2009/0076068A1)及咪唑并吡啶-3-酮衍生物(WO2007/110216,US 2009/0054478A1);ShionogiCo.,Ltd)的亲环衍生物(WO2009/123164)、酮酰胺衍生物(WO2009/133834)、乙酰胺衍生物(WO20/10/44441,US 2011/0251386A1)、噁二唑衍生物(WO2011074560,US2012253040A1)、苯并噻唑及氮亲苯并噻唑噻唑阿衍生物(WO2012081563)及胺基衍生物(WO2012173099)。充分了解内皮脂酶抑制剂对于人类健康的潜能以及其他脂酶抑制剂需要更多研究。因此,明确需要能够抑制脂酶(尤其内皮脂酶)的活性的新型化合物,其对于该脂酶活性相关的疾病或病症构成有效治疗。
发明内容
本发明的第一个目的是提供一种具有内皮脂肪酶抑制作用的苯并咪唑类化合物及其互变异构形式和生理学耐受的盐,所述苯并咪唑类化合物结构如通式(I)所示:
式中,
当R1为时,若R3为H,则R2选自取代芳基、芳基烷基、卤代烷基,其中取代芳基中的取代基为邻位或者间位取代的卤素、C1-C8烷基、C3-C6环烷基、-ORc、邻位的硝基;或者,若R3为-C(O)RaRb,则R2选自邻位、间位或者对位取代的芳基,邻位、间位或者对位取代的芳杂环基,芳基烷基,卤代烷基,其中取代的芳基或者芳杂环中的取代基选自卤素、C1-C8烷基、-ORc、硝基;R4、R5、R6分别独立的选自H、-ORc、C1-C8烷基、氰基;R’为邻位、间位或者对位取代的H、卤素、-ORc、C1-C8烷基;
当R1为时,R2选自未取代或取代的芳基、未取代或取代的芳杂环基、C3-C6环烷基、-ORc、C2-C8烷基、芳基烷基、卤代烷基,其中取代的芳基或者芳杂环基中的取代基选自邻位、间位或者对位取代的卤素、C1-C8烷基、ORc、硝基;R3为H、-C(O)RaRb、-ORc、C1-C8烷基、C3-C6环烷基;R4、R5、R6分别独立的选自H、-ORc、C1-C8烷基、氰基;R’为H、卤素、-ORc、C1-C8烷基;R”为邻位、间位或者对位取代的H、卤素、-ORc、C1-C8烷基;n为2-4;
当R1为时,R2选自未取代或取代的芳基、未取代或取代的芳杂环基、C3-C6环烷基、-ORc、C2-C8烷基、芳基烷基、卤代烷基,其中取代的芳基或者芳杂环基中的取代基选自邻位、间位或者对位取代的卤素、C1-C8烷基、ORc、硝基;R3为H、-C(O)RaRb、-ORc、C1-C8烷基、C3-C6环烷基;R4、R5、R6分别独立的选自H、-ORc、C1-C8烷基、氰基;R’为H、卤素、-ORc、C1-C8烷基;R”’为邻位、间位或者对位取代的H、卤素、-ORc、C1-C8烷基;
Ra、Rb分别独立的选自H、C1-C4烷基,Rc为H、C1-C8烷基。
在本发明的一种实施方式中,涉及到的“*”均是指连接位点。
在本发明的一种实施方式中,芳基烷基为含未取代或取代的芳基的C1-C8烷基;取代的芳基中的取代基选自邻位、间位或者对位取代的卤素、C1-C8烷基、ORc、硝基。
在本发明的一种实施方式中,芳杂环基中的芳杂环可选噻吩、呋喃、吡啶。
在本发明的一种实施方式中,所述苯并咪唑类化合物具体选择如下化合物:
本发明的另一个目的是提供一种苯并咪唑类化合物及其互变异构形式和生理学耐受的盐在制备内皮脂肪酶抑制药物中的应用,所述苯并咪唑类化合物的结构式如式(I)所示,
其中,R1是氢、(C1-C6)-烷基、(C1-C6)-卤代烷基、(C1-C6)烷氧基、(C1-C6)-亚烷基-芳基、(C1-C6)-亚烷基-杂环、(C1-C6)-亚烷基-(C3-C12)-环烷基、(C8-C14)-二环,其中芳基、杂环、环烷基或二环可以被下述优选的基团单或多取代:卤素、(C1-C6)-烷基、(C1-C3)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氧基、二-(C2-C12)烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基氫基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、硝基、三氟甲基、三氟甲氧基、五氟硫基、(C1-C6)-烷基磺酰基、氨基磺酰基;
R2是-(C1-C6)-烷基、(C1-C6)-烷氧基、(C1-C3)-卤代烷氧基、(C1-C6)-亚烷基氨、二-(C2-C12)-烷基氨、-CO-(C1-C6)-烷基、-COOR7、-CO-NR8R9、-O-CONR8R9、-O-CO-(C1-C6)-亚烷基-CO-O-(C1-C6)-烷基、-O-CO-(C1-C6)-亚烷基-CO-OH或-O-CO-(C1-C6)-亚烷基-CO-NR8R9、芳基、杂环、-(C2-C12)环烷基;其中芳基、杂环、环烷基或二环可以被下述优选的基团单或多取代:卤素、(C1-C6)-烷基、(C1-C3)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氧基、二-(C2-C12)烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基氫基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、硝基、三氟甲基、三氟甲氧基、五氟硫基、(C1-C6)-烷基磺酰基、氨基磺酰基;
R3、R4、R5、R6相同或不同地是氢、(C1-C6)-烷基、(C3-C12)-环烷基、(C1-C4)-亚烷基-芳基、(C1-C4)-亚烷基-(C3-C12)-环烷基、卤素、(C1-C6)-烷基、(C1-C3)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氧基、二-(C2-C12)烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基氫基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、硝基、三氟甲基、三氟甲氧基、五氟硫基、(C1-C6)-烷基磺酰基、氨基磺酰基;
R7是氢、(C1-C10)烷基、(C1-C4)亚烷基-CN、(C1-C4)亚烷基-芳基、(C1-C4)-亚烷基-杂环、(C1-C4)-亚烷基-(C3-C12)-环烷基、(C8-C14)-二环,其中芳基、杂环、环烷基或二环可以被下述优选的基团单或多取代:卤素、(C1-C6)-烷基、(C1-C6)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氨基、二-(C2-C12)-烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基氨基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、三氟甲基、三氟甲氧基、硝基(C1-C6)-烷基磺酰基、氨基磺酰基;
R8、R9相同或不同地是氢、(C1-C6)-烷基、芳基、(C3-C12)-环烷基、(C1-C4)-亚烷基-芳基、(C1-C4)-亚烷基-(C3-C12)-环烷基。
本发明涉及其盐、溶剂化物、外消旋物、外消旋混合物和纯对映异构体形式的式I化合物以及它们的非对映异构体及其混合物。
在本发明的一种实施方式中,在取代基R1、R2、R3、R4、R5、R6、R7、R8和R9中的烷基或亚烷基基团可以是直链或支链的。卤素是氟、氯、溴或碘,特别是氟或氯。
在本发明的一种实施方式中,卤代烷基是被卤素单、多或全取代的烷基;优选的卤素是氟和氯。
在本发明的一种实施方式中,环烷基基团是指包含一个或多个环并且仅仅包含碳原子的饱和或部分不饱和(具有一个或两个双键)的环系统,例如环丙基、环戊基、环戊烯基、环己基或金刚烷基。
在本发明的一种实施方式中,环烷基基团可以被下述合适的基团单或多取代,例如:F、Cl、Br、I、CF3、NO2、N3、CN、COOH、COO(C1-C6)烷基、CONH2、CONH(C1-C6)烷基、CON[(C1-C6)烷基]2、环烷基、(C1-C10)烷基、(C2-C6)-链烯基、(C2-C6)-炔基、O-(C1-C6)-烷基、O-CO-(C1-C6)-烷基、O-CO-(C1-C6)-芳基、O-CO-(C1-C6)-杂环;PO3H2、SO3H、SO2-NH2、SO2NH(C1-C6)-烷基、SO2N[(C1-C6)烷基]2、S-(C1-C6)-烷基、S-(CH2)n-芳基、S-(CH2)n-杂环、SO-(C1-C6)-烷基、SO-(CH2)n-芳基、SO-(CH2)-杂环、SO2-(C1-C6)-烷基、SO2-(CH2)n-芳基、SO2-(CH2)n-杂环、SO2-NH(CH2)n-芳基、SO2-NH(CH2)n-杂环、SO2-N((C1-C6)-烷基)(CH2)n-芳基、SO2-N((C1-C6)-烷基)(CH2)n-杂环、SO2-N((CH2)n芳基)2、SO2-N((CH2)n-(杂环)2;其中n可以是0-6;并且所述芳基或杂环基团可以被F、Cl、Br、OH、CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2最多二取代;或者被C(NH)(NH2)、NH2、NH-(C1-C6)-烷基、N((C1-C6)烷基)2、NH(C1-C7)-酰基、NH-CO-(C1-C6)-烷基、NH-COO-(C1-C6)-烷基、NH-CO-芳基、NH-CO-杂环、NH-COO-芳基、NH-COO-杂环、NH-CO-NH-(C1-C6)-烷基、NH-CO-NH-芳基、NH-CO-NH-杂环、N(C1-C6)-烷基-CO-(C1-C6)-烷基、N(C1-C6)-烷基-COO-(C1-C6)-烷基、N(C1-C6)-烷基-CO-芳基、N(C1-C6)-烷基-CO-杂环、N(C1-C6)-烷基-COO-芳基、N(C1-C6)-烷基-COO-杂环、N(C1-C6)-烷基-CO-NH-(C1-C6)-烷基、N(C1-C6)-烷基-CO-NH-芳基、N(C1-C6)-烷基-CO-NH-杂环、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)2、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)-芳基、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)-杂环、N((C1-C6)-烷基)-CO-N(芳基)2,N((C1-C6)-烷基)-CO-N-(杂环)2、N(芳基)-CO-(C1-C6)-烷基、N(杂环)-CO-(C1-C6)-烷基、N(芳基)-COO-(C1-C6)-烷基、N(杂环)-COO-(C1-C6)-烷基、N(芳基)-CO-芳基、N(杂环)-CO-芳基、N(芳基)-COO-芳基、N(杂环)-COO-芳基、N(芳基)-CO-NH-(C1-C6)-烷基、N(杂环)-CO-NH-(C1-C6)-烷基、N(芳基)-CO-NH-芳基、N(杂环)-CO-NH-芳基、N(芳基)-CO-N-((C1-C6)-烷基)2、N(杂环)-CO-N-((C1-C6)-烷基)2、N(芳基)-CO-N-((C1-C6)-烷基)-芳基、N(杂环)-CO-N((C1-C6)-烷基)-芳基、N(芳基)-CO-N-(芳基)2、N(杂环)-CO-N-(芳基)2、芳基、O-(CH2)n-芳基、O-(CH2)-杂环,其中n可以是0-6,其中所述芳基或杂环基可以被F、Cl、Br、I、OH、CF3、NO2、CN、OCF3、O-((C1-C6)-烷基、(C1-C6)-烷基、NH2、NH(C1-C6)-烷基、N((C1-C6)-烷基)2、SO2-CH3、COOH、COO-(C1-C6)-烷基、CONH2所单到三取代。
二环是具有8-14个环原子并且仅仅由碳原子作为环原子的部分不饱和的二环系统。该定义包括含有稠合的苯环核心的环系统。可以提及的例子如四氢萘基、α-或β-四氢萘酮、茚满基或茚满-1-酮基基团。优选的二环基团是四氢萘基和茚满基。
二环基团可以被合适的下述基团单或多取代,例如:F、Cl、Br、I、CF3、NO2、N3、CN、COOH、COO(C1-C6)-烷基、CONH2、CONH(C1-C6)-烷基、CON[(C1-C6)-烷基]2、环烷基、(C1-C10)烷基、(C2-C6)-链烯基、(C2-C6)-炔基、O-(C1-C6)-烷基、O-CO-(C1-C6)-烷基、O-CO-(C1-C6)-芳基、O-CO-(C1-C6)-杂环;PO3H2、SO3H、SO2-NH2、SO2NH(C1-C6)-烷基、SO2N[(C1-C6)-烷基]2、S-(C1-C6)-烷基、S-(CH2)n-芳基、S-(CH2)-杂环、SO-(C1-C6)-烷基,SO-(CH2)n-芳基、SO(CH2)n-杂环、SO2-(C1-C6)-烷基,SO2-(CH2)n-芳基、SO2-(CH2)n-杂环、SO2-NH(CH2)n-芳基、SO2-NH(CH2)n-杂环、SO2-N((C1-C6)-烷基)(CH2)芳基、SO2-N((C1-C6)-烷基)(CH2)n-杂环、SO2-N((CH2)n-芳基)2、SO2-N((CH2)n-(杂环)2,其中n可以是0-6;
且所述芳基或杂环基可以被F、Cl、Br、OH、CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2最多二取代;或者被C(NH)(NH2)、NH2,NH-(C1-C6)-烷基、N((C1-C6)-烷基)2、NH(C1-C7)-酰基、NH-CO-(C1-C6)-烷基、NH-COO-(C1-C6)-烷基、NH-CO-芳基、NH-CO-杂环、NH-COO-芳基、NH-COO-杂环、NH-CO-NH-(C1-C6)-烷基、NH-CO-NH-芳基、NH-CO-NH-杂环、N(C1-C6)-烷基-CO-(C1-C6)-烷基、N(C1-C6)-烷基-COO-(C1-C6)-烷基、N(C1-C6)-烷基-CO-芳基、N(C1-C6)-烷基-CO-杂环、N(C1-C6)-烷基-COO-芳基、N(C1-C6)-烷基-COO-杂环、N(C1-C6)-烷基-CO-NH-(C1-C6)-烷基、N(C1-C6)-烷基-CO-NH-芳基、N(C1-C6)-烷基-CO-NH-杂环、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)2、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)-芳基、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)-杂环、N((C1-C6)-烷基)-CO-N-(芳基)2、N((C1-C6)-烷基)-CO-N-(杂环)2、N(芳基)-CO-(C1-C6)-烷基、N(杂环)-CO-(C1-C6)-烷基、N(芳基)-COO-(C1-C6)-烷基、N(杂环)-COO-(C1-C6)-烷基、N(芳基)-CO-芳基、N(杂环)-CO-芳基、N(芳基)-COO芳基、N(杂环)-COO-芳基、N(芳基)-CO-NH-(C1-C6)-烷基、N(杂环)-CO-NH-(C1-C6)-烷基、N(芳基)-CO-NH-芳基、N(杂环)-CO-NH-芳基、N(芳基)-CO-N-(C1-C6)-烷基)2、N(杂环)-CO-N-((C1-C6)-烷基)2、N(芳基)-CO-N((C1-C6)-烷基)-芳基、N(杂环)-CO-N((C1-C6)-烷基)-芳基、N(芳基)-CO-N-(芳基)2、N(杂环)-CO-N-(芳基)2、芳基、O-(CH2)n-芳基、O-(CH2)n-杂环,其中n可以是0-6,其中所述芳基或杂环基园可以被F、Cl、Br、I、OH、CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2、NH(C1-C6)-烷基、N((C1-C6)-烷基)2、SO2-CH3、COOH、COO-(C1-C6)-烷基、CONH2所单取代到三取代。
芳基基团是指苯基或萘基基团。
芳基基团可以被合适的下述基团单或多取代,例如:F、C、Br、I、CF3、NO2、CN、COOH、COO(C1-C6)-烷基、CONH2、CONH(C1-C6)-烷基、CON[(C1-C6)-烷基]2、(C3-C10)-环烷基、(C1-C10)-烷基、(C2-C6)-链烯基、(C2-C6)-炔基、O-(C1-C6)-烷基、O-CO-(C1-C6)-烷基、O-CO-(C1-C6)-芳基;PO3H2、SO3H、SO2-NH2、SO2NH(C1-C6)-烷基、SO2N[((C1-C6)-烷基]2、S-(C1-C6)-烷基、S-(CH2)n-芳基、S-(CH2)n-杂环、SO-(C1-C6)-烷基、SO-(CH2)n-芳基、SO-(CH2)n-杂环、SO2-(C1-C6)-烷基、SO2-(CH2)n-芳基、SO2-(CH2)n-杂环、SO2-NH(CH2)n-芳基、SO2-NH(CH2)n-杂环、SO2-N((C1-C6)-烷基)(CH2)n-芳基、SO2-N((C1-C6)-烷基)(CH2)n-杂环、SO2-N(CH2)n-芳基)2、SO2-N(CH2)n-(杂环)2;其中n可以是0-6;
并且所述芳基或杂环基团可以被F、CI、Br、OH、CF3、NO2、CN、OCF3、O-((C1-C6)-烷基、(C1-C6)-烷基、NH2最多二取代;或者被C(NHNH2)、NH2、NH-(C1-C6)-烷基、N((C1-C6)-烷基)2、NH(C1-C7)-酰基、NH-CO-(C1-C6)-烷基、NH-COO(C1-C6)-烷基、NH-CO-芳基、NH-CO-杂环、NH-COO-芳基、NH-COO-杂环、NH-CO-NH-((C1-C6)-烷基、NH-CO-NH-芳基、NH-CO-NH-杂环、N(C1-C6)-烷基-CO-((C1-C6)-烷基、N(C1-C6)-烷基-COO-(C1-C6)-烷基、N(C1-C6)-烷基-CO-芳基、N(C1-C6)-烷基-CO-杂环、N(C1-C6)-烷基-COO-芳基、N(C1-C6)-烷基-COO-杂环、N(C1-C6)-烷基-CO-NH-(C1-C6)-烷基、N(C1-C6)-烷基-CO-NH-芳基、N(C1-C6)-烷基-CO-NH-杂环、N((C1-C6)-烷基)-CO-N-(C1-C6)-烷基)2、N((C1-C6)-烷基)-CO-N((C1-C6)-烷基)-芳基、N((C1-C6)-烷基)-CO-N(C1-C6)-烷基)-杂环、N((C1-C6)-烷基)-CO-N-(芳基)2、N((C1-C6)-烷基)-CO-N(杂环)2、N(芳基)-CO-(C1-C6)-烷基、N(杂环)-CO-(C1-C6)-烷基、N(芳基)-COO-(C1-C6)-烷基、N(杂环)-COO-(C1-C6)-烷基、N(芳基)-CO-芳基、N(杂环)-CO-芳基、N(芳基)-COO-芳基、N(杂环)-COO-芳基、N(芳基)-CO-NH-(C1-C6)-烷基、N(杂环)-CO-NH-(C1-C6)-烷基、N(芳基)-CO-NH-芳基、N(杂环)-CO-NH-芳基、N(芳基)-CO-N((C1-C6)-烷基)2、N(杂环)-CO-N-((C1-C6)-烷基)2、N(芳基)-CO-N((C1-C6)-烷基)-芳基、N(杂环)-CO-N((C1-C6)-烷基)-芳基,N(芳基)-CO-N(芳基)2,N(杂环)-CO-N-(芳基)2、芳基、O-(CH2)n-芳基、O-(CH2)n-杂环,其中n可以是0-6,其中所述芳基或杂环基团可以被F、C、Br、I、OH,CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2、NH(C1-C6)-烷基、N((C1-C6)-烷基)2、SO2-CH3、COOH、COO-(C1-C6)-烷基、CONH2所单-到三取代。
杂环是具有5-12个环原子的单-或二环的环系统,其中环系统中至少一个原子是选自N、O和S的杂原子。该定义还包括其中杂环与苯环核心稠合的环系统。(C5-C7)-杂环是单环系统;(C8-C12)-杂环是二环系统。
合适的“杂环”或“杂环基团”是吖辛因基、苯并咪唑基、苯并呋喃基、苯并噻吩基、苯并噻吩基、苯并噁基、苯并噻唑基、苯并三唑基、苯并四唑基、苯并异噁唑基、苯并异噻唑基、苯并咪唑啉基、咔唑基、4aH-咔唑基、咔啉基、喹唑啉基、喹啉基、4H-喹嗪基、喹喔啉基、奎宁环基、色满基、色烯基、噌啉基、十氢喹啉基、2H,6H-1,5,2-二噻嗪基、二氢呋喃并[2,3-b]四氢呋喃、呋喃基、呋咱基、咪唑烷基、咪唑啉基、咪唑基、1H-吲唑基、二氢吲哚基、吲嗪基、吲哚基、3H-吲哚基、异苯并呋喃基、异色满基、异吲唑基、异二氢吲哚基、异吲哚基、异喹啉基(苯并咪唑基)、异噻唑基、异噁唑基、吗啉基、萘啶基、八氢异喹啉基、噁二唑基、1,2,3-噁二唑基、1,2,4-噁二唑基、1,2,5-噁二唑基、1,3,4-噁二唑基、噁唑烷基、噁唑基、噁唑烷基、嘧啶基、菲啶基、菲咯啉基、吩嗪基、吩噻溱基、吩噻噁基(phenoxathiinyl)、吩噁嗪基、2,3-二氮杂萘基、哌嗪基、哌啶基、蝶啶基、嘌呤基、吡喃基、吡嗪基、吡唑烷基、呲唑啉基、吡唑基、哒嗪基、呲啶并噁唑、吡啶并咪唑、吡并噻唑、吡啶基、吡啶基、嘧啶基、吡咯烷基、吡咯啉基、2H-吡咯基、吡咯基、四氢呋喃基、四氢异喹啉基、四氢喹啉基、6H-1,2,5-噻二嗪基、噻唑基、1,2,3-塞二唑基、1,2,4塞二唑基、1,2,5-噻二唑基、1,3,4-噻二唑基、噻吩基、三唑基、四唑基和呫吨基。
呲啶基代表2-、3-和4-吡啶基。噻吩基代表2-和3-塞吩基。呋喃基代表2-和3-呋喃基。
还包括这些化合物相应的N-氧化物,例如1-氧化-2-、-3或-4-吡突基杂环或杂环基团可以被下述合适的基团单或多取代,例如:F、C1、Br、I、CF3、NO2、N3、CN、COOH、COO(C1-C6)烷基、CONH2、CONH(C1-C6)烷基、CON[(C1-C6)烷基]2、(C1-C6)-烷基、(C2-C6)-链烯基,(C2-C6)-炔基、O-(C1-C6)-烷基,其中所述烷基的一个、多个或全部氢可以被氟取代;PO3H2、SO3H、SO2-NH2、SO2NH(C1-C6)-烷基、SO2N[(C1-C6)-烷基]2、S-(C1-C6)-烷基、S-(CH2)n-苯基、SO-(C1-C6)-烷基、SO-(CH2)n-苯基、SO2-(C1-C6)-烷基、SO2-(CH2)n-苯基;其中n可以是0-6;且苯基基团可以被F、Cl、Br、OH、CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2最多二取代;或者被C(NH)(NH2)、NH2、NH-(C1-C6)-烷基、N((C1-C6)-烷基)2、NH(C1-C7)-酰基、苯基、O-(CH2)n-苯基,其中n可以是0-6,其中苯环可以被F、Cl、Br、I、OH、CF3、NO2、CN、OCF3、O(C1-C6)-烷基、(C1-C6)-烷基、NH2、NH(C1-C6)-烷基、N((C1-C6)-烷基)2、SO2-CH3、COOH、COO-(C1-C6)-烷基、CONH2单到三取代。
杂芳基是具有5到12个环原子的单-或双环的芳香族环系统,其中环系统中至少一个原子是选自N、O和S的杂原子。该定义还包括杂芳基与苯环稠合的环系统。
合适的“杂芳基环”或“杂芳基基团”的实例是苯并咪唑基、苯并呋喃基、苯并噻吩基、苯并噁唑基、苯并噻唑基、苯并三唑基、苯并四唑基、苯并异噁唑基、苯并异噻唑基、喹啉基、呋喃基、呋咱基、咪唑基、1H-吲唑基、吲哚基、1,2,3-噁二唑基、1,2,4-噁二唑基、1,2,5-噁二唑基、1,3,4-噁二唑基、嘧啶基、吡嗪基、吡唑基、吡啶基、吡咯基、噻唑基、1,2,3-塞二唑基、1,2,4-噻二唑基、1,2,5-噻二唑基、1,3,4-噻二唑基和噻吩基。
杂芳基环或杂芳基基团可被合适基团单或多取代,如:F、Cl、Br、I、CF3、NO2,N3、CN、COOH、COO(C1-C6)烷基、CONH2、CONH(C1-C6)烷基、CON[(C1-C6)-烷基]2、(C1-C6)-烷基、(C2-C6)-链烯基、(C2-C6)-块基、O-(C1-C6)-烷基,其中所述烷基中一个或多个或全部氢可以被氟代替;PO3H2、SO3H、SO2-NH2,SO2NH(C1-C6)-烷基、SO2N[(C1-C6)-烷基]2、S-(C1-C6)-烷基、S-(CH2)n-苯基、SO-(C1-C6)-烷基、SO-(CH2)n-苯基SO2-(C1-C6)-烷基、SO2-(CH2)n-苯基;其中n可以是0-6;并且所述苯基基团可以被F、Cl、Br、OH、CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2最多二取代;或者被C(NH)(NH2)、NH2、NH-(C1-C6)-烷基、N((C1-C6)-烷基)2,NH(C1-C7)-酰基、苯基、O-(CH2)n-苯基,其中n可以是0-6,其中所述苯环可以被F、Cl、Br、I、OH、CF3、NO2、CN、OCF3、O-(C1-C6)-烷基、(C1-C6)-烷基、NH2、NH(C1-C6)-烷基、N((C1-C6)-烷基)2、SO2-CH3、COOH、COO-(C1-C6)-烷基、CONH2单到三取代。
在本发明的一种实施方式中,可用于制备内皮脂肪酶抑制药物的苯并咪唑类化合物具体选自如下化合物:
由于可药用盐在水中的溶解度高于最初或基本的化合物,因此其特别适于医药用途。这些盐必须具有可药用的阴离子或阳离子。本发明化合物适宜的可药用的酸加成盐是无机酸例如盐酸、氢溴酸、磷酸、偏磷酸、硝酸和硫酸的盐,以及有机酸例如乙酸、苯磺酸、苯甲酸、柠檬酸、乙磺酸、富马酸、萄糖酸、羟乙酸、羟乙磺酸、乳酸、乳糖酸、马来酸、苹果酸、甲磺酸、琥珀酸、对甲苯磺酸和酒石酸的盐,合适的可药用碱的盐是铵盐、碱金属盐(例如钠盐和钾盐)和碱土金属盐(例如镁盐和钙盐)以及氨基丁三醇(2-氨基-2-羟基甲基-1,3-丙二醇)、二乙醇胺、赖氨酸或乙二胺的盐。
具有不可药用的阴离子的盐类例如三氟乙酸盐也涵盖于本发明的范围之内,作为制备或纯化可药用盐的有用中间体和/或用于非治疗性的用途,例如体外应用。
本发明所用的术语“有生理学功能的衍生物”是指式(I)的化合物的任何生理学可耐受的衍生物,例如酯,当其施用于哺乳动物例如人时,能够(直接或间接地)形成式I化合物或其活性代谢物。
有生理学功能的衍生物也包括本发明化合物的前药,例如H.Okada等人,Chem.Pharm,Bull.1994,42,57-61中所述。这些前药可以在体内代谢形成本发明的化合物,这些前药本身可以有活性或者无活性。
本发明的化合物也可以以各种多形的形式存在,例如以无定形、结晶和多晶形式存在。所有本发明化合物的多晶形式均涵盖于本发明框架之内,并且是本发明的另一个方面
在下文中,所有提及“式I化合物”处均涉及如上所述的式I化合物及其如本文所述的盐、溶剂合物和有生理学功能的衍生物。
用途功效:
通式I的本发明化合物具有对内皮脂肪酶(EL)令人惊奇的抑制作用。EL优选的底物是具有抗动脉粥样硬化活性的HDL,HDL水平的降低导致动脉粥样硬化及其后遗症如冠心病的进展,另外还促进代谢综合症和其后遗症糖尿病的发展。因此,抑制EL通常导致对动脉粥样硬化病症的预防,并间接地降低具有糖尿病增高风险的人群的患病概率。
还发现通式I的本发明化合物抑制作用相比其他脂肪酶具有选择性。
值得注意的是,式I化合物与类似结构的化合物相比,在水性介质中具有改善的溶解度,同时具有至少是同样高的活性。优选的本发明化合物与现有技术中的化合物相比,还具有改善的代谢稳定性。此外,本发明化合物在血清稳定性方面显示出优势。
本发明化合物特别适合于治疗和/或预防如下疾病:
1.血脂异常及其后遗症,例如动脉粥样硬化、冠心病、脑血管病等,特别是(但不限于)那些特征在于一种或多种下列因素的病症:高血浆甘油三酯浓度、高餐后血浆甘油三酯浓度;低HDL胆固醇浓度;低载脂蛋白A浓度;高LDL胆固醇浓度;低密度LDL胆固醇颗粒;高载脂蛋白B浓度;
2.可能与代谢综合症相关的各种其他病症,例如:肥胖症(超重),包括向心性肥胖;血栓、高凝性和趋于血栓阻塞性的阶段(动脉和静脉的);高血压;心力竭,例如(但不限于)继心肌梗塞、高血压心脏病或心肌病之后的心力衰竭;糖尿病,特别是2型糖尿病,包括预防与其相关的后遗症(高血糖、葡萄糖不耐受、胰腺β-细胞损失、大血管和微血管的病症)
3.涉及炎症反应或细胞分化的其他病症或病况,例如:动脉粥样硬化,例如(但不限于)冠状动脉硬化,包括心绞痛或心肌梗塞、中风;血管再狭窄或再闭塞;慢性炎性肠病,例如克罗恩病和溃疡性结肠炎;胰腺炎;其他炎症状态;视网膜病;脂肪细胞肿瘤;脂肪细胞癌,例如脂肪肉瘤;实体肿瘤和赘生物,例如(但不限于)胃肠道、肝脏、胆道和胰腺的癌症,内分泌肿瘤,肺、肾和泌尿道、生殖道的癌症,前列腺癌等;急性和慢性骨髓增殖性疾病和淋巴瘤;血管生成;神经变性疾病;阿尔茨海默病;多发性硬化症;帕金森病;红斑鳞屑性皮肤病,例如银屑病;寻常痤疮;受PPAR调节的其他皮肤病和皮肤病学的病症;湿疹和神经性皮炎;皮炎,例如脂溢性皮炎或光照性皮炎;角膜炎和角化病,例如脂溢性角化病、老年角化病、光化性角化病、光诱导的角化病或毛囊角化病;瘢痕疙瘩和瘢痕疙瘩预防;疣,包括性病湿疣或尖锐湿疣;人乳头瘤病毒(HPV)感染,例如性病乳头瘤病,病毒性疣,例如传染性软疣、粘膜白斑;丘疹性皮肤病,例如扁平苔藓;皮肤癌,例如基底细胞癌、黑色素瘤或皮肤的T细胞淋巴瘤;局限的良性上皮肿瘤,例如皮肤角化病、表皮痣;冻疮;高血压;综合征;多囊卵巢综合征(PCOS);哮喘;骨关节炎;红斑狼疮(LE)或炎性关节病,例如风湿性关节炎;脉管炎;消瘦(恶病质);痛风;缺血/再灌注综合征;急性呼吸窘迫综合征(ARDS)。
制剂:
本发明的化合物达到所需生物学效应所必需的量取决于多种因素,例如所选择的具体化合物、预期用途、施用方式和患者的临床状况,日剂量一般为0.3mg-100mg(通常3mg-50mg)/天/千克体重,例如3-10mg/kg/天。静脉内剂量可以为例如0.3mg-1.0mg/kg,其可以适宜地以10ng-100ng/kg/分钟输注使用,用于这些目的的适宜的输注液可以含有例如每毫0.1ng-10mg、通常1ng-10mg,单次剂量可以含有如1mg-10g活性成份。因此,注射用安瓿可以含有例如1mg-100mg,可以口服施用的单剂量制剂如片剂或胶囊剂可以含有例如0.05-1000mg,通常0.5-600g。
本发明的化合物可以以化合物本身形式使用式I化合物治疗上述病症,但是它们优先为含有可药用的载体的药物组合形式,该载体当然是必须是可药用的,也就是说可与组合形式。该载体当然必须是可药用的,也就是说可与组合物中的其它成份相容并且对患者的健康无害。载体可以是固体、液体和胶状体,优先与化合物一起配制成单剂量,例如制成片剂,其可以含有0.05重量%-95重量%的活性成份。也可以存在包括其它本发明化合物在内的其它药学活性物质。本发明的药物组合物可以通过已知的制药方法之一制备,这些方法基本上包括将各成份与可药用的载体和/或赋形剂混合。
本发明的药物组合物是适合于口服、直肠、局部、经口(例如舌下)和胃肠外(例如皮下、肌内、皮内或静脉内)给药的组合物,但是最适宜的施用方式每一个体情况中取决于所治疗的病症的性质与严重性以及在每种情况中所用式I化合物的类型。包衣制剂和包衣缓释制剂也涵盖于本发明的范围内。优选耐酸和耐胃液的制剂。适宜的耐胃液的包衣包括邻苯二甲醋酸纤维互。聚醋酸乙烯邻苯二甲酸酯、羟丙基甲基纤维素邻苯二甲酸酯和甲基丙烯酸甲酯的阴离子聚合物。
适合于口服施用的药物制剂可以是分开的单位形式,例如胶囊剂、扁囊剂、锭剂或片剂,其各自含有一定量的式I化合物;粉末或颗粒的形式;在水性或非水性液体中的溶液或者混悬液的形式;或者水包油型或油包水型乳剂的形式。如已经提及的那样,这些组合物可以通过任何适宜的制药方法来制备,所述方法包括其中将活性成分与载体(可以包含一种或多种其他成份)相接触的步骤。制备组合物一般是将活性成份与液体载体或/和精细粉碎的固体载体进行均匀和匀质的混合。如果需要,将该产品成型。因此,例如片剂可以通过将化合物的粉末或颗粒与任选的一种或多种其他成份压制或成型来制备。压制片剂可以通过将自由流动形式例如粉末或颗粒形式的化合物任选地与粘合剂、助流剂、惰性稀释剂和/或一种(或多种)表面活性剂/分散剂在合适的机器中混合、压片来制备。成型片可以通过将用惰性液体稀释剂润湿的粉末关的化合物在合适的机器中进行成型来制备。
适合于经口(舌下)给药的药物组合物包括有式I化合物与矫味剂(通常为蔗糖)和阿拉伯胶或黄著树胶的锭剂,以及在惰性基质(例如明胶和甘油或蔗糖和阿拉伯胶)中包含所碠化合物的软锭剂。
适合于胃肠外施用的药物组合物优先包含式I化合物的无菌水性制剂,其优先与目标爱者的血液等,这些制剂优选静脉内施用,但也可以通过皮下、肌内或皮内注射施用,这些制剂可以优选通过将化合物与水混合并且使所得溶液无菌和与血液等来制备。本发明的可注射组合物一般包含0.1-5重量%的活性化合物。
适合于直肠施用的药物组合物优选单剂量的栓剂形式。可以通过式I化合物与一种或多种常规固体载体如可可脂混合,然后将所得混合物成型来制备这类制剂。
局部应用于皮肤的合适的药物组合物优选软膏剂、霜剂、洗剂、糊剂、喷雾剂、气雾剂或油剂的形式。可用的载体包括石油醚、羊毛脂、聚乙二醇、醇类以及两种或两种以上这些物质的组合。活性成份一般以组合物重量的0.1-15重量%、例如0.5-2%的浓度存在。
也可以进行经皮给药。适合经皮施用的药物组合物可以是适合与患者表皮长期紧密接触的单个贴剂形式。该类贴剂适宜地含有在任选地缓冲的水性溶液中的活性成分,其溶解和/或分散在粘合剂中或分散在聚合物中。适宜的活性成分浓度为约1%至35%,优选为3%-15%。特别的释放活性成分的方式可以通过电转运或离子电渗疗法,例如Pharmaceutical Research,2(6):318(1986)中所述。
值得注意的是式I化合物对脂类代谢病症的有利作用。它们积极地影响HDL与LDL的比例,并且特别是增加HDL的水平,适合于预防和治疗血脂异常和代谢综合征以及它们的多种后遗症,例如动脉粥样硬化、冠心病心力总衰竭、甩脱症和糖尿病。
与其它药物的组合:
本发明的化合物可以单独或者与一种或多种其他药理学活性的活性成分组合施用。具体而言,本发明化合物可以和具有与其相似的药理学作用的活性成份一起施用。所述的这类药物的实例有:降低血糖的药物、抗糖尿病的药物、治疗血脂异常的活性成份、抗动脉粥样硬化的药物、抗肥胖药物、抗炎活性成分、治疗恶性肿瘤的活性成分、抗血栓形成的活性成分、治疗高血压的活性成分、治疗心力衰竭的活性成分、治疗和/预防由糖尿病引起或与糖尿病有关的并发症的活性成分、治疗神经变性疾病的活性成分、治疗中枢神经系统疾病的活性成分、治疗药物依赖、烟碱依赖和酒精依赖的活性成分、镇痛药。
它们可以与本发明的式I化合物组合,特别是用于效果的协同提高。可以通过对患者分别施用活性成分或者以多种活性成分共存于一种药物制剂中的组合产品形式来施用活性成分组合。
所述活性成分优选地包括:磺酰脲类;双胍类;氯茴苯酸类;噁二唑烷二酮类;噻唑烷二酮类;葡萄糖苷酶抑制剂;糖原磷酸化酶抑制剂;胰高血糖素拮抗剂;葡萄糖激酶激动剂;果糖-1,6-二磷酸酶抑制剂。
制备方法:
通式1可以通过如下方法进行合成,所有的化学原料可以通过商业途径购买。所述合成方法包括如下几种路线:
方法一:由邻苯二胺与不同的羰基化合物反应合成苯并咪唑:
或者方法二:由1H苯并咪唑与R1X反应生成多取代苯并咪唑:
或者方法三:由邻硝基取代苯胺与醛反应生成多取代苯并咪唑。相应的邻硝基取代苯胺可按文献方法由邻硝基化合物与不同的胺反应制备:
或者方法四:由邻氨基取代苯胺与羰基化合物反应生成多取代苯并咪唑。相应的邻氨基取代苯胺可按文献方法由邻硝基化合物与不同的胺反应制备得到邻硝取代苯胺,再经文献方法还原得到邻氨基取代苯胺:
具体实施方式
实施例1苯并咪唑类化合物的合成
由邻苯二胺与不同的羰基化合物反应合成苯并咪唑的方法
方法一、由邻苯二胺与醛在光照下,以3,6-(吡啶-2-基)1,2,4,5-四嗪为催化剂进行反应。
将邻苯二胺(1.08g,10mmol),PYTZ(20mg)溶于200ml乙醇中,搅拌下缓慢加入醛(10mmol),置于10.5A氙灯下反应3-5h,反应完全后,浓缩至20mL,过滤,干燥得纯品。
按照此合成方案,邻苯二胺与不同的醛合成了以下产物。
化合物1. 2-(2-吡啶基)-1H-苯并咪唑:1H NMR(400MHz,DMSO-d6,ppm)δ13.12(s,1H),8.77-8.70(m,1H),8.39-8.32(m,1H),8.03-7.97(m,1H),7.72(d,1H),7.58-7.49(m,2H),7.29-7.18(m,2H);MS calcd for:C12H9N3[M+H]+169.0869,found169.0990.
化合物2. 2-(4-吡啶基)-1H-苯并咪唑:1H NMR(400MHz,DMSO-d6,ppm)δ13.27(s,1H),8.77(d,2H),8.11(d,2H),7.68(d,2H),7.28(s,2H);MS calcd for:C12H9N3[M+H]+169.0869,found 169.0990.
化合物3. 2-(3-氯苯基)-1H-苯并咪唑:1HNMR(400MHz,DMSO-d6,ppm):δ13.05(s,1H),8.28-8.21(m,1H),8.20-8.13(m,1H),7.70(d,1H),7.64-7.53(m,3H),7.33-7.17(m,2H);MS calcd for:C13H9ClN2[M+H]+229.0527,found 229.0662.
化合物4. 2-(2-甲基苯基)-1H-苯并咪唑:1HNMR(400MHz,DMSO-d6,ppm):δ12.67(s,1H),7.81-7.74(m,1H),7.71(d,1H),7.55(d,1H),7.44-7.32(m,3H),7.23(t,2H),2.63(s,3H);MS calcd for:C14H12N2[M+H]+209.1073,found 209.1200.
化合物6. 2-(3-甲基苯基)-1H-苯并咪唑:1HNMR(400MHz,DMSO-d6,ppm):δ12.87(s,1H),8.04(s,1H),7.98(d,1H),7.60(d,2H),7.44(t,1H),7.32(d,1H),7.21(d,2H),2.43(s,3H);MS calcd for:C14H12N2[M+H]+209.1073,found 209.1198.
化合物7. 2-(3-硝基苯基)-1H-苯并咪唑:1HNMR(400MHz,DMSO-d6,ppm):δ13.34(s,1H),9.10-9.04(m,1H),8.70-8.62(m,1H),8.42-8.34(m,1H),7.90(t,1H),7.77(d,1H),7.64(d,1H),7.4-7.21(m,2H);MS calcd for:C13H9N3O2[M+H]+240.0768,found 240.0910.
化合物8. 2-苯基-1H-苯并咪唑:1HNMR(400MHz,DMSO-d6,ppm):δ12.97(s,1H),8.24-8.22(m,2H),7.70(s,1H),7.59-7.55(m,3H),7.52-7.47(m,1H),7.23(m,2H);MScalcd for:C13H10N2[M+H]+195.0917,found 195.1029.
化合物9. 2-己基-1H-苯并咪唑:1HNMR(400MHz,DMSO-d6,ppm):δ12.16(s,1H),7.45(s,2H),7.13-7.08(m,2H),2.08(m,2H),1.81-1.73(m,2H),1.35-1.30(m,4H),0.87(m,3H);MS calcd for:C12H16N2[M+H]+189.1386,found 189.1502
化合物10. 2-苯基-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.42(s,1H),9.37(s,1H),8.27(d,1H),8.26–8.22(m,1H),7.88(d,1H),7.79(s,1H),7.76(d,1H),7.64–7.53(m,3H),7.36(t,1H);HRMS calcd for C14H11N3O[M-1]-236.0902,found236.0945.
化合物11 2-苯乙基-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ12.75(s,1H),9.33(s,1H),7.80(d,1H),7.68(s,1H),7.64(d,1H),7.33–7.23(m,5H),7.19(d,1H),3.26–3.19(m,2H),3.19–3.12(m,2H);HRMS calcd for C16H15N3O[M-1]-264.1215,found 264.1261.
化合物12. 2-(邻甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.37(s,1H),9.37(d,1H),8.08(d,1H),8.04(d,1H),7.88(d,1H),7.79(d,1H),7.74(d,1H),7.49(t,1H),7.41–7.33(m,2H),2.45(s,3H);HRMS calcd for C15H13N3O[M+H]+252.1137,found252.1128.
化合物13. 2-(间甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.15(s,1H),9.34(d,1H),7.90(dd,1H),7.84(dt,1H),7.76(d,1H),7.76–7.72(m,1H),7.50–7.45(m,1H),7.45–7.44(m,1H),7.44–7.40(m,1H),7.38(t,1H),2.65(s,3H);HRMScalcd for C15H13N3O[M+H]+252.1137,found 252.1132.
化合物14. 2-(2-硝基苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ8.91(s,1H),8.36(dd,1H),8.09(dd,1H),7.91–7.82(m,2H),7.76(td,1H),7.56(dt,1H),7.24(d,1H),7.22(d,1H),6.67(s,2H),6.59(td,1H).HRMS calcd for C14H10N4O3[M+H]+283.0831,found 283.0829.
化合物15 2-(3-硝基苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.80(s,1H),9.25(s,1H),9.07(s,1H),8.72(d,1H),8.39(dd,1H),7.93(d,1H),7.89(d,1H),7.87–7.84(m,1H),7.81(d,1H),7.42(t,1H);HRMS calcd for C14H10N4O3[M-1]-281.0753,found281.0833.
化合物16. 2-(4-硝基苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.80(s,1H),9.25(d,1H),8.52(d,1H),8.51(s,1H),8.47(s,1H),8.46(d,1H),7.94(dd,1H),7.89(d,1H),7.82(dd,1H),7.43(t,1H);HRMS calcd for C14H10N4O3[M+H]+283.0831,found283.0334.
化合物17 2-(2-氯苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.28(s,1H),9.29(d,1H),8.00(dd,1H),7.94–7.90(m,1H),7.83–7.79(m,1H),7.79–7.76(m,1H),7.71(dd,1H),7.61(dd,1H),7.57(dd,1H),7.41(t,1H);HRMS calcd forC14H10ClN3O[M-1]-270.0512,found270.0576.
化合物18. 2-(3-氯苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.53(s,1H),9.28(d,1H),8.32(q,J=1.4Hz,1H),8.23(d,1H),7.91(d,1H),7.78(s,1H),7.76(d,,1H),7.64(d,1H),7.64–7.62(m,1H),7.39(t,1H;HRMS calcd for C14H10ClN3O[M-1]-270.0512,found270.0574.
化合物19. 2-(4-氯苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.49(s,1H),9.31(d,1H),8.28(s,1H),8.26(s,1H),7.90(d,1H),7.82(d,1H),7.76(d,1H),7.69(s,1H),7.67(s,1H),7.38(t,1H);HRMS calcd for C14H10ClN3O[M-1]-270.0512,found 270.0571.
化合物20. 2-(吡啶-3-基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.61(s,1H),9.43(d,1H),9.29(s,1H),8.74(d,1H),8.60(d,1H),7.92(d,1H),7.87–7.81(m,1H),7.78(s,1H),7.63(dd,1H),7.40(t,1H));HRMS calcd for C13H10N4O[M-1]-237.0855,found237.0904.
化合物21 2-(4-氟苯基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.49(s,1H),9.31(d,1H),8.28(s,1H),8.26(s,1H),7.90(d,1H),7.82(d,1H),7.76(d,1H),7.69(s,1H),7.67(s,1H),7.38(t,1H);HRMS calcd for C14H10FN3O[M-1]-254.0808,found 254.0868.
化合物22. 2-(呋喃-2-基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.43(s,1H),9.39–9.00(m,1H),8.07–7.97(m,1H),7.87(d,1H),7.79(s,1H),7.71(d,1H),7.37(d,1H),7.34(d,1H),6.79(d,1H);HRMS calcd for C12H9N3O2[M+H]+228.0773,found 228.0772.
化合物23. 2-(噻吩-2-基)-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ13.45(s,1H),9.15(s,1H),7.95(d,1H),7.85(dd,2H),7.79(s,1H),7.72(d,1H),7.35(t,1H),7.29(t,1H);HRMS calcd for C12H9N3OS[M-1]-242.0466,found 242.0515.
化合物24. 2-环己基-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ12.62(s,1H),9.38(d,1H),7.80(dd,1H),7.67(d,1H),7.62(dd,1H),7.26(t,1H),2.94(t,1H),2.12–2.07(m,1H),2.05(d,1H),1.83(q,1H),1.79(q,1H),1.74–1.69(m,1H),1.66(d,1H),1.63(d,1H),1.44(dt,1H),1.38(dt,1H),1.30(tt,1H);HRMS calcd for C14H17N3O[M-1]-242.1372,found242.1406.
化合物25. 2-戊基-1H-苯并[d]咪唑-4-甲酰胺:1H NMR(400MHz,DMSO-d6)δ12.73(s,1H),9.40(s,1H),7.85(d,1H),7.72(s,1H),7.68(d,1H),7.31(t,1H),2.94(t,2H),1.89–1.82(m,2H),1.40(d,2H),1.38(d,2H),0.95–0.91(m,3H);HRMS calcd for C13H17N3O[M+H]+232.1450,found 232.1445.
方法二、由邻苯二胺与羧酸反应制备苯并咪唑衍生物。
在四口烧瓶中,依次加入PPA 5g、邻苯二胺(5mmol,0.54g)、羧酸5mmol,回流2h。冷至室温,加入10%NaOH溶液7.5mL,搅拌,过滤,干燥得到纯品。用该法合成两种化合物。
化合物26 2-甲基-1H-苯并咪唑:1H NMR(400MHZ,CD3OD,ppm)δ7.46-7.50(m,2H),7.17-7.27(m,2H),2.57(s,3H);MS calcd for:C8H8N2[M+H]+133.0760,found 133.0704。
化合物27. 2-(四氢呋喃-2-基)-1H-苯并咪唑:1HNMR(400MHZ,CD3OD,ppm)δ7.53-7.55(m,2H),7.21-7.24(m,2H),5.15-5.19(m,1H)4.13-4.18(m,1H),3.96-4.01(m,1H),2.44-2.52(m,1H),2.15-2.23(m,1H),2.04-2.11(m,2H);MS calcd for:C11H12N2O[M+H]+189.1022,found189.0953。
方法三、由1H苯并咪唑与R1X反应生成多取代苯并咪唑
合成通法:所有1H苯并咪唑来自上述合成。将1H苯并咪唑(4mmol)溶于120mL DMF,加入Cs2CO3(9.6mmol,3.6g),升温到80℃,加入苄氯(12mmol,6.1g),反应1-2h。降温,过滤,洗涤,用乙酸乙酯重结晶或者柱层析得到纯品。用此方法合成以下化合物。
化合物28. 1-苄基-2-(吡啶-2-基)-苯并[d]咪唑:黄色晶体,产率83%。m.p.118.3℃。1H NMR(400MHz,DMSO-d6,ppm)δ8.73-8.68(m,1H),8.40-8.35(m,1H),8.03-7.97(m,1H),7.79-7.74(m,1H),7.61-7.57(m,1H),7.55-7.50(m,1H),7.30-7.26(m,2H),7.26-7.17(m,3H),7.16-7.11(m,2H),6.24(s,2H);13C NMR(100MHz,DMSO-d6,ppm)δ150.49,149.73,149.32,142.69,138.23,138.02,136.98,128.99,127.71,127.18,124.88,123.87,123.06,120.11,111.80,48.43;MS calcd for:C19H15N3[M+H]+286.1339,found 286.1414.
化合物29. 1-苄基-2-(吡啶-3-基)-苯并[d]咪唑:棕色晶体,产率83%。m.p.126.1℃-127.7℃。1H NMR(400MHz,CDCl3,ppm)δ8.92(dd,J=2.2,0.7Hz,1H),8.71(dd,J=4.9,1.7Hz,1H),8.07-7.97(m,1H),7.89(d,J=7.9Hz,1H),7.43-7.27(m,7H),7.14-7.01(m,2H),5.47(s,2H);13C NMR(100MHz,CD3OD,ppm)δ150.22,148.97,142.09,137.30,136.38,128.73,127.60,126.58,125.77,123.95,123.70,123.05,118.77,110.94;MScalcd for:C19H15N3[M+H]+286.1339,found286.1229.
化合物30. 1-苄基-2-(吡啶-4-基)-苯并[d]咪唑:棕色粉末,产率81%。m.p.95.2℃-96.1℃。1H NMR(400MHz,CDCl3,ppm)δ8.30(d,J=6.9Hz,2H),7.93-7.82(m,1H),7.66-7.55(m,2H),7.42-7.38(m,2H),7.36(d,J=1.8Hz,1H),7.32(s,1H),7.30(d,J=4.0Hz,2H),7.07(dd,J=7.5,1.8Hz,2H),5.68(s,2H);13C NMR(100MHz,CDCl3,ppm)δ146.29,145.32,145.11,143.27,137.52,134.72,132.92,130.00,129.57,128.56,126.46,125.69,124.44,48.73;MS calcd for:C19H15N3[M+H]+286.1339,found 286.1415.
化合物31. 1-苄基-2-(2-氯苯基)-苯并[d]咪唑:黄色晶体,产率82%。m.p.109.2℃-110.7℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.74(d,J=13.5Hz,1H),7.68(d,J=8.8Hz,1H),7.61(d,J=15.9Hz,2H),7.51(d,J=22.4Hz,2H),7.24(d,J=31.1Hz,5H),6.96(d,J=9.4Hz,2H),5.33(s,2H);13C NMR(100MHz,DMSO-d6,ppm)δ151.11,143.10,136.79,135.17,133.68,132.91,132.35,130.22,129.03,128.05,127.89,127.17,123.32,122.60,119.96,111.68,47.66;MS calcd for:C20H15ClN2[M+H]+319.0997,found 319.1072.
化合物32 1-苄基-2-(3-氯苯基)-苯并[d]咪唑:白色晶体,产率85%,m.p.96.0-97.1℃。1H NMR(400MHz,CDCl3,ppm)δ7.87(d,J=8.0Hz,1H),7.73(t,J=1.8Hz,1H),7.55-7.50(m,1H),7.48-7.42(m,1H),7.38(d,J=7.9Hz,1H),7.36-7.30(m,4H),7.30-7.26(m,1H),7.26-7.22(m,1H),7.12-7.06(m,2H),5.45(s,2H);13C NMR(100MHz,CDCl3,ppm)δ152.61,143.07,136.15,134.88,131.85,130.04,129.99,129.55,129.17,127.97,127.17,125.97,123.45,122.94,120.19,110.57,48.44;MS calcd for:C20H15ClN2[M+H]+319.0997,found 319.1072。
化合物33. 1-苄基-2-(4-氯苯基)-苯并[d]咪唑:棕色粉末,产率87%。m.p.137.5-138.0℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.75(d,J=12.3Hz,3H),7.60(d,J=13.5Hz,2H),7.50(d,J=19.2Hz,1H),7.27(d,J=36.6Hz,5H),7.00(d,J=8.3Hz,2H),5.61(s,2H);13C NMR(100MHz,DMSO-d6,ppm)δ152.58,143.08,137.30,136.46,135.20,131.29,129.39,129.29,128.00,126.57,123.38,122.84,119.83,111.66,47.93;MS calcd for:C20H15ClN2[M+H]+319.0997,found319.1072.
化合物34. 1-苄基-2-(邻甲苯基)-苯并[d]咪唑:白色晶体,产率88%,m.p.119.5-120.4℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.75-7.69(m,1H),7.57-7.51(m,1H),7.49-7.31(m,4H),7.29-7.18(m,5H),6.94-6.88(m,2H),5.31(s,2H),2.10(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.40,143.15,138.16,137.09,135.22,130.92,130.43,130.29,129.04,127.98,127.07,126.22,122.94,122.39,119.70,111.56,47.48,19.77;MS calcdfor:C21H18N2[M+H]+299.1543,found 299.1619。
化合物35. 1-苄基-2-(间甲苯基)-苯并[d]咪唑:白色晶体,产率88%,m.p.109.7-110.1℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.73(d,J=17.3Hz,1H),7.56(s,1H),7.49(d,J=16.8Hz,2H),7.41(d,J=15.1Hz,1H),7.35(d,J=7.5Hz,1H),7.27(d,J=42.1Hz,5H),7.02(d,J=8.3Hz,2H),5.59(s,2H),2.36(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.86,143.15,138.58,137.55,136.40,130.92,130.21,129.26,129.11,127.95,126.59,126.48,123.12,122.65,119.70,111.56,47.96,21.42;MS calcd for:C21H18N2[M+H]+299.1543,found 299.1620。
化合物36. 1-苄基-2-(对甲苯基)-苯并[d]咪唑:白色晶体,产率87%。m.p.123.7-124.7℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.72(d,J=8.6Hz,1H),7.63(d,J=8.1Hz,2H),7.45(d,J=8.7Hz,1H),7.28(d,J=56.6Hz,7H),7.01(d,J=8.3Hz,2H),5.58(s,2H),2.38(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.84,143.18,140.01,137.48,136.38,129.83,129.41,127.93,126.53,123.02,122.62,119.64,47.90,21.41;MS calcdfor:C21H18N2[M+H]+299.1543,found299.1612。
化合物37. 1-苄基-2-(2-硝基苯基)-苯并[d]咪唑:淡黄色晶体,产率85%,m.p.166.3-166.9℃。1H NMR(400MHz,DMSO-d6,ppm)δ8.31-8.16(m,1H),7.90-7.82(m,2H),7.77-7.73(m,1H),7.72-7.67(m,1H),7.56-7.44(m,1H),7.34-7.18(m,5H),7.15-7.01(m,2H),5.43(s,2H);13C NMR(100MHz,DMSO-d6,ppm)δ149.66,149.42,143.13,136.68,135.51,134.08,132.67,132.05,129.04,128.08,127.34,125.40,123.44,122.68,119.90,111.74,47.96;MS calcd for:C20H15N3O2[M+H]+330.1237,found 330.1320。
化合物38. 1-苄基-2-(3-硝基苯基)-苯并[d]咪唑:黄色粉末,产率87%。m.p.167.2-167.9℃。1H NMR(400MHz,DMSO-d6,ppm)δ8.54-8.49(m,1H),8.41-8.34(m,1H),8.24-8.18(m,1H),7.87-7.77(m,2H),7.60-7.54(m,1H),7.35-7.23(m,5H),7.08-7.00(m,2H),5.68(s,2H);13C NMR(100MHz,DMSO-d6,ppm)δ151.38,148.41,142.98,137.21,136.70,135.71,131.03,129.34,128.07,126.62,124.90,124.11,123.82,123.10,120.07,111.82,48.07;MS calcd for:C20H15N3O2[M+H]+330.1237,found 330.1302。
化合物39. 1-苄基-2-(4-硝基苯基)-苯并[d]咪唑:黄色粉末,产率89%。m.p.184.1-184.4℃。1H NMR(400MHz,DMSO-d6,ppm)δ8.40-8.32(m,2H),8.08-8.02(m,2H),7.82-7.76(m,1H),7.60-7.54(m,1H),7.34-7.21(m,5H),7.03-6.98(m,2H),5.68(s,2H);13CNMR(100MHz,CDCl3,ppm)δ156.27,153.19,147.88,141.86,141.45,135.55,134.07,132.83,131.39,129.20,128.72,127.94,124.92,116.67,52.82;MS calcd for:C20H15N3O2[M+H]+330.1237,found330.1323。
化合物40. 1-苄基-2-苯基-苯并[d]咪唑:白色晶体,产率89%。m.p.138.0-139.7℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.77-7.69(m,3H),7.57-7.50(m,3H),7.49-7.45(m,1H),7.34-7.20(m,5H),7.06-6.96(m,2H),5.60(s,2H);13CNMR(100MHz,DMSO-d6,ppm)δ153.74,143.16,137.42,136.37,130.63,130.31,129.52,129.27,127.96,126.57,123.17,122.69,119.75,111.59,47.92;MS calcd for:C20H16N2[M+H]+285.1386,found 285.1450。
化合物41. 1-苄基-2-戊基-苯并[d]咪唑:白色晶体,产率84%。m.p.60.2-61.1℃。1H NMR(400MHz,CDCl3,ppm)δ7.77(d,J=7.8Hz,1H),7.33-7.29(m,1H),7.29-7.25(m,2H),7.24-7.20(m,1H),7.20-7.15(m,2H),7.07-6.99(m,2H),5.33(s,2H),2.88-2.76(m,2H),1.90-1.76(m,2H),1.44-1.25(m,4H),0.86(t,J=7.1Hz,3H);13C NMR(100MHz,CDCl3,ppm)δ155.58,142.78,136.14,135.45,128.98,127.86,126.15,121.95,119.32,109.45,46.90,31.67,27.65,27.39,22.39,13.96;MS calcd for:C19H22N2[M+H]+279.1856,found279.1927。
化合物42. 1-苄基-2-甲基-苯并[d]咪唑:白色粉末,产率83%。m.p.65.3-66.7℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.58-7.52(m,1H),7.50-7.44(m,1H),7.37-7.30(m,2H),7.30-7.24(m,1H),7.18-7.10(m,4H),5.48(s,2H),2.52(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ152.35,142.81,137.49,135.83,129.24,127.98,127.12,122.10,118.75,110.51,46.68,14.11;MS calcd for:C15H14N2[M+H]+223.1230,found 223.1225。
化合物43. 1-苄基-2-(四氢呋喃-2-基)-苯并[d]咪唑:白色粉末,产率92%,m.p.93.2-94.1℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.68-7.63(m,1H),7.42-7.38(m,1H),7.34-7.29(m,2H),7.28-7.24(m,1H),7.21-7.13(m,4H),5.70-5.48(m,2H),5.29-5.18(m,1H),3.83(t,J=6.8Hz,2H),2.67-2.55(m,1H),2.26-2.16(m,1H),2.08-1.89(m,2H);13CNMR(100MHz,DMSO-d6,ppm)δ154.22,142.19,137.50,129.10,127.92,127.19,122.99,122.22,119.77,111.18,72.99,68.55,47.04,29.57,25.99;MS calcd for:C18H18N2O[M+H]+279.1492,found 279.1495。
化合物44. 1-苯乙基-2-(吡啶-2-基)-苯并[d]咪唑:白色粉末,产率53%,m.p.96.2℃,暂无文献报道合成方法;1H NMR(400MHz,DMSO-d6,ppm)δ7.65-7.58(m,2H),7.41(d,J=8.1Hz,2H),7.27(d,J=7.9Hz,2H),7.25-7.15(m,2H),7.15-7.08(m,3H),6.95-6.89(m,2H),4.42(t,J=7.4Hz,2H),2.95(t,J=7.4Hz,2H),2.35(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ150.46,149.83,149.26,142.54,138.65,137.81,136.63,129.25,128.77,126.86,124.75,123.63,122.80,119.98,111.41,46.74,36.35;MS calcd for:C20H17N3[M+H]+300.1495,found 300.1509。
化合物45. 1-苯乙基-2-(吡啶-3-基)-苯并[d]咪唑:白色粉末,产率52%,m.p.113.7-114.6℃,1H NMR(400MHz,DMSO-d6,ppm)δ8.73-8.62(m,2H),7.92-7.83(m,1H),7.79-7.68(m,2H),7.54-7.45(m,1H),7.39-7.24(m,2H),7.16-7.07(m,3H),6.85-6.76(m,2H),4.55(t,J=7.0Hz,2H),2.99(t,J=7.0Hz,2H);13C NMR(100MHz,DMSO-d6,ppm)δ151.08,150.62,149.80,143.15,138.07,136.85,135.80,128.98,128.75,127.02,123.87,123.25,122.67,119.84,111.70,46.14,35.31;MS calcd for:C20H17N3[M+H]+300.1495,found 300.1886。
化合物46 1-苯乙基-2-(吡啶-4-基)-苯并[d]咪唑:白色粉末,产率52%,m.p.124.7℃;1H NMR(400MHz,DMSO-d6,ppm)δ8.74-8.64(m,2H),7.81-7.68(m,2H),7.56-7.47(m,2H),7.41-7.26(m,2H),7.18-7.05(m,3H),6.88-6.80(m,2H),4.61(t,J=7.1Hz,2H),2.99(t,J=7.0Hz,2H);13C NMR(100MHz,DMSO-d6,ppm)δ151.11,150.37,143.03,138.00,135.98,129.05,128.77,127.05,123.73,123.59,122.86,120.05,111.84,46.15,35.40;MS calcd for:C20H17N3[M+H]+300.1495,found 300.1500。
化合物47. 1-苯乙基-2-(2-氯苯基)-苯并[d]咪唑:黄色晶体,产率55%,m.p.103.7℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.76(d,J=7.7Hz,1H),7.69(d,J=7.4Hz,1H),7.60-7.45(m,3H),7.40-7.24(m,3H),7.19-7.08(m,3H),6.86-6.76(m,2H),4.53(t,J=7.0Hz,2H),2.99(t,J=7.0Hz,2H);13C NMR(100MHz,DMSO-d6,ppm)δ150.92,143.00,138.22,134.82,132.67,132.12,130.12,129.86,129.01,128.88,127.69,126.99,123.10,122.40,119.86,111.56,45.95,35.27;MS calcd for:C21H17ClN2[M+H]+333.1153,found333.1619。
化合物48. 1-苯乙基-2-(3-氯苯基)-苯并[d]咪唑:白色粉末,产率49%,m.p.114.8℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.80-7.65(m,2H),7.61-7.45(m,3H),7.40-7.24(m,3H),7.20-7.07(m,3H),6.86-6.76(m,2H),4.53(t,J=7.0Hz,2H),2.99(t,J=7.0Hz,2H);13CNMR(100MHz,DMSO-d6,ppm)δ152.25,142.99,138.12,135.73,133.64,130.79,129.82,129.27,129.01,128.76,128.05,126.95,123.20,122.64,119.80,111.72,46.17,35.24;MS calcd for:C21H17ClN2[M+H]+333.1153,found 333.1620。
化合物49. 1-苯乙基-2-(4-氯苯基)-苯并[d]咪唑:白色晶体,产率54%,m.p.128.7℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.77-7.63(m,2H),7.62-7.48(m,4H),7.35-7.29(m,1H),7.28-7.22(m,1H),7.19-7.07(m,3H),6.96-6.82(m,2H),4.52(t,J=7.2Hz,2H),2.99(t,J=7.2Hz,2H);13C NMR(100MHz,DMSO-d6,ppm)δ143.01,139.42,138.12,135.86,134.79,131.32,129.73,129.07,128.79,127.02,123.08,122.56,119.70,111.63,46.11,35.35;MS calcd for:C21H17ClN2[M+H]+333.1153,found 333.1585。
化合物50. 1-苯乙基-2-(邻甲苯基)-苯并[d]咪唑:白色粉末,产率47%,m.p.127.2-128.9℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.78-7.63(m,2H),7.49-7.34(m,3H),7.33-7.22(m,3H),7.19-7.12(m,3H),6.87-6.78(m,2H),4.25(t,J=7.3Hz,2H),2.92(t,J=7.2Hz,2H),2.05(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.17,143.10,138.23,137.87,134.83,130.64,130.35,130.09,129.01,128.85,126.96,126.02,122.69,122.18,119.62,111.45,45.63,35.29,19.69;MS calcd for:C22H20N2[M+H]+313.1699,found313.1712。
化合物51. 1-苯乙基-2-(间甲苯基)-苯并[d]咪唑:白色粉末,产率41%,m.p.72.1℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.78-7.58(m,2H),7.42-7.37(m,1H),7.37-7.31(m,2H),7.31-7.26(m,1H),7.26-7.22(m,2H),7.19-7.14(m,3H),6.98-6.85(m,2H),4.48(t,J=7.3Hz,2H),2.98(t,2H),2.37(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.83,143.07,138.26,135.77,130.78,130.59,130.15,129.07,128.83,126.94,126.56,122.83,122.39,119.58,111.51,46.09,35.35,21.40;MS calcd for:C22H20N2[M+H]+313.1699,found 313.2117。
化合物52. 1-苯乙基-2-(对甲苯基)-苯并[d]咪唑:白色晶体,产率56%,m.p.104.7℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.68-7.51(m,2H),7.41(d,J=8.1Hz,2H),7.27(d,J=7.9Hz,2H),7.25-7.21(m,1H),7.20(t,J=1.7Hz,1H),7.19-7.15(m,1H),7.14-7.11(m,2H),7.03-6.83(m,2H),4.42(t,J=7.4Hz,1H),2.95(t,J=7.4Hz,2H),2.35(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.72,143.06,139.64,138.23,135.88,129.60,129.45,129.09,128.84,127.00,122.74,122.33,119.51,111.44,46.06,35.41,21.43;MScalcd for:C22H20N2[M+H]+313.1699,found313.1717。
化合物53. 1-苯乙基-2-(2-硝基苯基)-苯并[d]咪唑:淡黄色晶体,产率51%,m.p.130.5-131.8℃;1H NMR(400MHz,CDCl3,ppm)δ8.17(dd,J=8.2,1.1Hz,1H),7.84-7.78(m,1H),7.67-7.60(m,1H),7.57-7.51(m,1H),7.50-7.45(m,1H),7.41-7.31(m,2H),7.23-7.12(m,3H),6.87(dd,J=7.6,1.4Hz,1H),6.82-6.76(m,2H),4.21(t,J=7.0Hz,2H),3.06(t,J=7.0Hz,2H);13C NMR(100MHz,CDCl3,ppm)δ149.70,148.37,143.20,137.55,134.53,133.2,132.96,130.73,128.77,126.91,125.91,124.55,123.27,122.53,120.37,110.16,46.39,35.27;MS calcd for:C21H17N3O2[M+H]+344.1394,found 344.1447。
化合物54. 1-苯乙基-2-(3-硝基苯基)-苯并[d]咪唑:淡黄色晶体,产率43%,m.p.103.0℃;1H NMR(400MHz,DMSO-d6,ppm)δ8.32(dd,J=2.3,0.9Hz,1H),8.12-8.06(m,1H),8.01-7.92(m,4H),7.83-7.72(m,2H),7.42-7.30(m,2H),7.12-6.98(m,3H),4.61(t,J=6.8Hz,2H),2.99(t,J=6.8Hz,2H);13C NMR(100MHz,DMSO-d6,ppm)δ162.78,148.86,143.04,138.02,135.55,132.98,132.22,131.20,130.54,129.03,128.61,126.85,124.72,122.85,121.31,111.84,36.25,31.24;MS calcd for:C21H17N3O2[M+H]+344.1394,found344.1402。
化合物55. 1-苯乙基-2-(4-硝基苯基)-苯并[d]咪唑:黄色晶体,产率49%,m.p.153.9-154.8℃;1H NMR(400MHz,DMSO-d6,ppm)δ8.36-8.25(m,2H),7.85-7.70(m,4H),7.40-7.27(m,2H),7.17-7.08(m,3H),6.91-6.79(m,2H),4.61(t,J=7.0Hz,2H),2.99(t,J=7.0Hz,2H);13C NMR(100MHz,DMSO-d6,ppm)δ151.54,148.15,143.10,137.97,137.05,136.04,130.80,129.08,128.76,127.07,124.04,123.63,120.04,111.89,46.26,35.40;MScalcd for:C21H17N3O2[M+H]+344.1394,found 344.1397。
化合物56. 1-苯乙基-2-苯基-苯并[d]咪唑:白色粉末,产率51%,m.p.90.8-92.1℃;1H NMR(400MHz,CDCl3,ppm)δ7.90-7.77(m,1H),7.49-7.38(m,6H),7.36-7.26(m,2H),7.22-7.13(m,3H),6.94-6.84(m,2H),4.43(t,2H),3.04(t,2H);13C NMR(100MHz,CDCl3,ppm)δ153.98,143.17,137.38,135.33,130.40,129.64,129.28,128.76,128.63,126.96,122.85,122.50,120.11,110.12,46.18,35.85;MS calcd for:C21H18N2[M+H]+299.1543,found 299.1941。
化合物57. 1-苯乙基-2-戊基-苯并[d]咪唑:黄色粉末,产率49%,m.p.81.6-81.9℃;1H NMR(400MHz,CDCl3,ppm)δ7.78-7.69(m,1H),7.32-7.20(m,6H),6.96(d,J=6.7Hz,2H),4.26(t,J=7.0Hz,2H),3.03(t,J=7.0Hz,2H),2.42(t,2H),1.80-1.63(m,2H),1.38-1.21(m,4H),0.88(t,J=6.4Hz,3H);13C NMR(100MHz,CDCl3,ppm)δ155.41,142.80,137.77,134.65,128.83,128.78,127.03,121.81,119.28,109.20,45.28,35.92,31.74,27.22,27.09,22.41,14.04;MS calcd for:C20H24N2[M+H]+293.2012,found 293.2029。
化合物58. 1-苯乙基-2-甲基-苯并[d]咪唑:白色粉末,产率73%,m.p.83.4-84.2℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.54-7.47(m,2H),7.29-7.05(m,7H),4.39(t,J=7.1Hz,2H),3.02(t,J=7.1Hz,2H),2.20(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ152.18,142.75,138.74,135.26,129.42,128.85,127.03,121.82,118.62,110.32,45.19,35.50,13.57;MScalcd for:C16H16N2[M+H]+237.1386,found 237.1711。
化合物59. 1-苯乙基-2-(四氢呋喃-2-基)-苯并[d]咪唑:白色晶体,产率91%,m.p.103.4℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.66-7.54(m,2H),7.32-7.25(m,2H),7.25-7.20(m,2H),7.20-7.15(m,3H),4.97(t,J=6.9,6.0Hz,1H),4.61-4.42(m,2H),3.90-3.71(m,2H),3.07(t,J=7.5Hz,2H),2.67-2.55(m,1H),2.14-1.83(m,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.89,142.06,138.81,135.75,129.35,128.91,127.01,122.79,119.70,110.88,72.72,68.37,45.38,35.95,29.11,26.04;MS calcd for:C19H20N2O[M+H]+293.1648,found 293.2041。
化合物60. 1-苯丙基-2-(吡啶-2-基)-苯并[d]咪唑:白色晶体,产率83%,m.p.79.1-80.9℃;1H NMR(400MHz,DMSO-d6,ppm)δ8.65-8.59(m,1H),8.32(d,J=8.0Hz,1H),8.05-7.95(m,1H),7.74(d,J=7.5Hz,1H),7.63(d,J=7.6Hz,1H),7.54-7.47(m,1H),7.37-7.23(m,4H),7.22-7.14(m,3H),4.82(t,2H),2.66(t,J=7.5Hz,2H),2.18-2.05(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ150.46,149.27,142.59,141.53,137.85,136.87,128.77,128.70,126.33,124.74,124.67,123.63,122.80,120.04,111.28,44.96,32.74,31.67;MS calcd for:C21H19N3[M+H]+314.1652,found 314.1645。
化合物61. 1-苯丙基-2-(吡啶-3-基)-苯并[d]咪唑:黄色晶体,产率83%,m.p.97.5-98.3℃;1HNMR(400MHZ,CD3OD,ppm)δ8.76-8.77(1H,m),8.60-8.61(1H,m),7.95-7.98(1H,m),7.61-7.63(1H,m),7.44-7.47(2H,m),7.25-7.30(1H,m),7.22-7.25(1H,m),7.09-7.14(2H,m),7.03-7.07(1H,m);13CNMR(100MHz,CD3OD,ppm)δ150.22,148.97,142.09,137.30,136.38,128.73,127.60,126.58,125.77,123.95,123.70,123.05,118.77,110.94;MS calcd for:C21H19N3[M+H]+314.1652,found 314.1538。
化合物62. 1-苯丙基-2-(吡啶-4-基)-苯并[d]咪唑:白色晶体,产率81%,m.p.115.3-116.4℃;1HNMR(400MHz,CDCl3,ppm)δ8.70(dd,J=4.4,1.6Hz,2H),7.93-7.75(m,1H),7.64-7.46(m,2H),7.37-7.33(m,3H),7.33-7.31(m,1H),7.31-7.27(m,2H),7.17-7.06(m,2H),4.27(t,2H),2.66(t,J=7.2Hz,2H),2.29-2.12(m,2H);13C NMR(100MHz,CDCl3,ppm)δ150.34,143.06,139.92,138.11,135.81,128.73,128.33,126.60,123.65,123.26,122.98,120.48,110.22,44.07,32.74,31.16;MS calcd for:C21H19N3[M+H]+314.1652,found 314.1652。
化合物63. 1-苯丙基-2-(2-氯苯基)-苯并[d]咪唑:黄色粉末,产率82%,m.p.104.6-105.2℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.74-7.68(m,1H),7.68-7.59(m,4H),7.56-7.49(m,1H),7.36-7.24(m,2H),7.23-7.09(m,3H),7.03-6.95(m,2H),4.07(t,J=7.4Hz,2H),2.44(t,J=7.6Hz,2H),1.98-1.81(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ150.76,143.03,141.01,135.10,133.50,132.78,132.26,130.37,130.13,128.75,128.39,127.91,126.33,123.11,122.39,119.88,111.24,43.73,32.37,30.93;MS calcd for:C22H19ClN2[M+H]+347.1310,found 347.1319。
化合物64. 1-苯丙基-2-(3-氯苯基)-苯并[d]咪唑:白色晶体,产率85%,m.p.109.5-112.2℃;1H NMR(400MHz,CDCl3,ppm)δ7.85-7.80(m,1H),7.72(t,J=1.8Hz,1H),7.53-7.45(m,2H),7.38(t,J=7.8Hz,1H),7.34-7.30(m,3H),7.30-7.27(m,2H),7.24-7.18(m,1H),7.11-7.06(m,2H),4.23(t,J=6.9Hz,2H),2.62(t,J=7.4Hz,2H),2.21-2.11(m,2H);13C NMR(100MHz,CDCl3,ppm)δ152.00,142.99,140.10,135.57,134.84,130.01,129.87,129.48,128.64,128.24,127.19,126.41,123.12,122.67,120.17,110.10,44.13,32.80,31.03;MS calcd for:C22H19ClN2[M+H]+347.1310,found 347.1320。
化合物65. 1-苯丙基-2-(4-氯苯基)-苯并[d]咪唑:白色晶体,产率87%,m.p.138.7-139.2℃;1H NMR(400MHz,CDCl3,ppm)δ7.84-7.78(m,1H),7.56(d,J=8.3Hz,2H),7.42(d,J=8.4Hz,2H),7.32(dd,J=4.2,3.6Hz,1H),7.30-7.19(m,5H),7.07(d,J=7.1Hz,2H),4.25-4.16(m,2H),2.60(t,J=7.3Hz,2H),2.20-2.09(m,2H);13C NMR(100MHz,CDCl3,ppm)δ152.36,143.05,140.11,135.94,135.61,130.49,129.05,128.65,128.29,126.42,122.99,122.60,120.07,110.05,43.99,32.75,31.03;MS calcd for:C22H19ClN2[M+H]+347.1310,found 347.1306。
化合物66. 1-苯丙基-2-(邻甲苯基)-苯并[d]咪唑:黄色粉末,产率87%,m.p.70.6-71.2℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.72-7.65(m,1H),7.62-7.55(m,1H),7.51-7.43(m,1H),7.43-7.37(m,2H),7.34(d,J=7.7Hz,1H),7.30-7.23(m,2H),7.22-7.09(m,3H),7.01-6.94(m,2H),4.06(t,2H),2.42(t,J=7.6Hz,2H),2.16(s,3H),1.95-1.80(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ153.04,143.12,141.02,137.79,135.07,130.83,130.35,130.15,128.74,128.40,126.32,126.23,122.69,122.17,119.62,111.10,43.57,32.40,30.95,19.82;MS calcd for:C23H22N2[M+H]+327.1856,found 327.1858。
化合物67. 1-苯丙基-2-(间甲苯基)-苯并[d]咪唑:白色粉末,产率88%,m.p.68.3-69.7℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.70-7.63(m,1H),7.61-7.54(m,1H),7.52(s,1H),7.49-7.31(m,3H),7.31-7.20(m,4H),7.19-7.15(m,1H),7.11-7.06(m,2H),4.27(t,2H),2.54(t,2H),2.39(s,3H),2.09-1.99(m,2H);13CNMR(100MHz,DMSO-d6,ppm)δ153.46,143.10,141.06,138.48,136.05,130.67,130.10,128.98,128.75,128.61,126.47,126.38,122.79,122.34,119.59,111.15,44.08,32.48,31.11,21.47;MS calcd for:C23H22N2[M+H]+327.1856,found 327.1870。
化合物68. 1-苯丙基-2-(对甲苯基)-苯并[d]咪唑:白色粉末,产率88%,m.p.90.6-91.6℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.67(dd,J=7.0,1.5Hz,1H),7.59(d,J=8.1Hz,3H),7.31(dd,J=10.2,4.6Hz,2H),7.29-7.21(m,4H),7.21-7.15(m,1H),7.13-7.07(m,2H),4.27(t,2H),2.53(t,2H),2.41(s,3H),2.09-1.97(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ153.44,143.11,141.13,139.70,136.11,129.75,129.42,128.80,128.68,126.41,122.74,122.33,119.56,111.17,44.03,32.43,31.13,21.44;MS calcd for:C23H22N2[M+H]+327.1856,found 327.1877。
化合物69. 1-苯丙基-2-(2-硝基苯基)-苯并[d]咪唑:黄色晶体,产率85%,m.p.92.7-93.5℃;1H NMR(400MHz,CDCl3,ppm)δ8.18(dd,J=7.7,1.6Hz,1H),7.78(dd,J=7.1,4.2Hz,1H),7.75-7.65(m,2H),7.56(dd,J=7.1,1.8Hz,1H),7.31-7.25(m,2H),7.23-7.16(m,4H),7.02(d,J=7.0Hz,2H),4.00(t,2H),2.56(t,J=7.5Hz,2H),2.13-2.01(m,2H);13C NMR(100MHz,CDCl3,ppm)δ149.27,148.74,143.14,140.21,134.90,133.34,132.59,131.01,128.55,128.18,126.28,124.98,123.19,122.48,120.28,110.03,43.93,32.82,30.73;MS calcd for:C22H19N3O2[M+Na]+380.1369,found 380.1376。
化合物70. 1-苯丙基-2-(3-硝基苯基)-苯并[d]咪唑:淡黄色晶体,产率87%,m.p.99.6-101.8℃;1H NMR(400MHz,CDCl3,ppm)δ8.54(t,J=1.9Hz,1H),8.39-8.28(m,1H),8.07-7.96(m,1H),7.89-7.79(m,1H),7.64(t,J=8.0Hz,1H),7.41-7.31(m,3H),7.26-7.22(m,2H),7.21-7.18(m,1H),7.08(dd,J=13.4,6.6Hz,2H),4.25(t,J=6.9Hz,2H),2.65(t,J=7.3Hz,2H),2.25-2.16(m,2H);13CNMR(100MHz,CDCl3,ppm)δ150.68,148.25,142.86,139.85,135.16,132.09,129.98,128.65,128.24,126.47,124.40,123.95,123.62,123.04,120.32,110.24,4.21,32.74,31.15;MS calcd for:C22H19N3O2[M+Na]+380.1369,found380.1366。
化合物71. 1-苯丙基-2-(4-硝基苯基)-苯并[d]咪唑:黄色晶体,产率89%,m.p.143.4-145.2℃;1H NMR(400MHz,DMSO-d6,ppm)δ8.35-8.29(m,2H),8.03-7.97(m,2H),7.72(dd,J=13.4,7.7Hz,2H),7.39-7.27(m,2H),7.23(t,J=7.2Hz,2H),7.16(t,J=7.3Hz,1H),7.11(d,J=6.9Hz,2H),4.34(t,2H),2.55(t,2H),2.11-1.98(m,2H);13C NMR(100MHz,CDCl3,ppm)δ150.83,148.28,143.12,139.86,136.63,135.82,130.05,128.72,128.34,126.59,123.90,123.07,120.45,110.25,44.06,32.67,31.10;MS calcd for:C22H19N3O2[M+Na]+380.1369,found380.1363。
化合物72. 1-苯丙基-2-苯基-苯并[d]咪唑:白色粉末,产率89%,m.p.79.4-81.9℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.73-7.67(m,3H),7.61(dd,J=7.1,1.2Hz,1H),7.56-7.49(m,3H),7.32-7.22(m,4H),7.20-7.15(m,1H),7.12-7.08(m,2H),4.28(t,2H),2.54(t,2H),2.10-1.98(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ153.33,143.10,141.11,136.11,130.90,130.08,129.53,129.17,128.82,128.68,126.43,122.42,119.67,111.27,44.07,32.43,31.12;MS calcd for:C22H20N2[M+H]+313.1699,found 313.1787。
化合物73. 1-苯丙基-2-戊基-苯并[d]咪唑:黄色粉末,产率84%,m.p.91.3-92.1℃;1H NMR(400MHz,CDCl3,ppm)δ7.75-7.70(m,1H),7.32-7.24(m,2H),7.24-7.19(m,2H),7.19-7.14(m,4H),4.02(t,J=5.2Hz,2H),2.74-2.63(m,4H),2.14-2.03(m,2H),1.87-1.78(m,2H),1.44-1.27(m,4H),0.91(s,3H);13C NMR(100MHz,CDCl3,ppm)δ155.10,142.76,140.42,134.98,128.66,128.32,126.41,121.74,119.20,109.22,42.83,32.96,31.76,31.09,27.57,27.46,22.47,14.07;MS calcd for:C21H26N2[M+H]+307.2169,found307.2187。
化合物74. 1-苯丙基-2-甲基-苯并[d]咪唑:黄色晶体,产率82%,m.p.91.4-92.1℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.54(d,J=7.5Hz,1H),7.43(dd,J=6.7,1.8Hz,1H),7.31-7.25(m,2H),7.23-7.18(m,3H),7.18-7.13(m,2H),4.17(t,J=7.4Hz,2H),2.63(t,2H),2.51(s,3H),2.06-1.95(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ152.00,142.86,141.47,135.55,128.83,128.65,126.42,121.83,118.69,110.13,43.11,32.66,31.21,13.89;MS calcd for:C17H18N2[M+H]+251.1543,found 251.1568。
化合物75 1-苯丙基-2-(四氢呋喃-2-基)-苯并[d]咪唑:白色晶体,产率81%,m.p.115.3-116.4℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.64-7.59(m,1H),7.50(d,J=7.6Hz,1H),7.33-7.25(m,2H),7.24-7.15(m,5H),5.18(t,J=7.2,6.3Hz,1H),4.36-4.27(m,2H),3.87-3.70(m,2H),2.72-2.57(m,3H),2.26-2.10(m,2H),2.09-1.89(m,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.80,141.56,135.92,128.85,128.69,126.41,122.80,121.99,119.71,110.72,72.85,68.38,43.37,32.74,31.51,29.38,26.06;MS calcd for:C20H22N2O[M+H]+307.1805,found 307.1819。
化合物76. 1-苄基-2-苯基-1H-苯并[d]咪唑-4-甲酰胺:深黄色固体,产率89%.m.p.118.3℃;1H NMR(400MHz,CDCl3)δ9.78(s,1H),8.19(dd,J=7.2,1.5Hz,1H),7.72(t,J=1.6Hz,1H),7.70(t,J=2.0Hz,1H),7.57–7.44(m,3H),7.42–7.28(m,5H),7.10(dd,J=2.5,1.4Hz,1H),7.09(dd,J=2.2,1.2Hz,1H),6.15–5.83(m,1H),5.51(s,2H).13C NMR(101MHz,CDCl3)δ167.44,154.31,136.30,135.80,130.50,129.37,129.23,128.94,128.08,125.92,124.70,122.96,122.77,114.38,77.26,48.66;HRMS calcd for:C21H17N3O[M+H]+328.1444,found 328.1443.
化合物77 1,2-二苄基-1H-苯并[d]咪唑-4-甲酰胺:白色粉末,产率90%.m.p.206-207℃;1H NMR(400MHz,CDCl3)δ9.74(s,1H),8.14(dd,J=7.3,1.4Hz,1H),7.39–7.15(m,10H),6.97–6.88(m,2H),5.98–5.92(m,1H),5.24(s,2H),4.27(s,2H).13C NMR(101MHz,CDCl3)δ167.49,153.87,140.75,135.49,135.21,129.08,128.93,128.52,128.13,127.25,126.17,124.18,122.5,122.48,113.49,47.42,34.39;HRMS calcd for:C22H19N3O[M+H]+342.1601,found 342.1604.
化合物78. 1-苄基-2-苯乙基-1H-苯并[d]咪唑-4-甲酰胺:淡黄色粉末,产率93%.m.p.118.3℃;1H NMR(400MHz,CDCl3)δ9.77(s,1H),8.12(dd,J=7.5,1.2Hz,1H),8.01(s,1H),7.41–7.19(m,8H),7.19–7.12(m,2H),6.99–6.92(m,2H),5.22(s,2H),2.96(s,2H),2.88(s,2H);13C NMR(101MHz,CDCl3)δ167.71,162.60,155.04,140.49,135.58,129.15,128.64,128.42,128.16,126.52,126.09,124.04,122.32,122.13,113.39,47.00,33.57,29.44;HRMS calcd for:C23H21N3O[M+H]+356.1757,found 356.1756.
化合物79. 1-苄基-2-(邻甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:白色粉末,产率79%.m.p.207.9-208.6℃;1H NMR(400MHz,CDCl3)δ10.04–9.50(m,1H),8.19(dd,J=7.6,1.2Hz,1H),7.46–7.43(m,1H),7.42(t,J=1.5Hz,1H),7.37(d,J=2.8Hz,1H),7.35(d,J=1.9Hz,1H),7.33(d,J=1.6Hz,1H),7.30(dd,J=7.4,1.3Hz,1H),7.27(d,J=2.4Hz,1H),7.25(d,J=1.4Hz,1H),7.24(d,J=1.5Hz,1H),6.98–6.91(m,2H),5.94(s,1H),5.27(s,2H),2.22(s,3H).13C NMR(101MHz,CDCl3)δ167.38,153.83,141.12,135.47,135.05,130.88,130.38,129.88,129.10,128.92,128.06,126.51,125.93,124.47,122.77,114.38,48.22,19.90;HRMS calcd for:C22H19N3O[M+H]+342.1601,found 342.1601.
化合物80. 1-苄基-2-(间甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:白色粉末,产率53%.m.p.192.8-193.5℃;1H NMR(400MHz,CDCl3)δ9.87–9.54(m,1H),8.19(dd,J=7.3,1.4Hz,1H),7.55(d,J=2.1Hz,1H),7.45(dt,J=7.0,2.0Hz,1H),7.41–7.36(m,2H),7.36–7.28(m,5H),7.10(d,J=1.9Hz,1H),7.08(d,J=1.4Hz,1H),5.99(d,J=3.9Hz,1H),5.49(s,2H),2.40(s,3H).13C NMR(101MHz,CDCl3)δ167.45,154.54,141.21,138.86,136.30,135.94,131.27,130.22,129.25,129.20,128.75,128.05,126.23,125.98,124.64,122.88,122.74,114.34,48.69,21.44;HRMS calcd for:C22H19N3O[M+H]+342.1601,found342.1598.
化合物81 1-苄基-2-(对甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:白色粉末,产率74%.m.p.234.1-234.7℃;1H NMR(400MHz,CDCl3)δ9.95–9.46(m,1H),8.18(dd,J=7.1,1.5Hz,1H),7.70–7.56(m,2H),7.45–7.27(m,7H),7.19–7.05(m,2H),5.98(d,J=4.0Hz,1H),5.49(s,2H),2.43(s,3H).13C NMR(101MHz,CDCl3)δ167.49,154.51,140.83,136.32,135.90,129.64,129.26,129.21,128.03,126.43,125.92,124.60,122.78,122.64,114.29,48.65,21.49;HRMS calcd for:C22H19N3O[M+H]+342.1601,found 342.1593.
化合物82. 1-苄基-2-(2-氯苯基)-1H-苯并[d]咪唑-4-甲酰胺:淡黄色粉末,产率72%.m.p.208.2-208.9℃;1H NMR(400MHz,CDCl3)δ9.61(s,1H),8.19(dd,J=7.5,1.2Hz,1H),7.57(dd,J=8.1,1.3Hz,1H),7.53–7.46(m,2H),7.42(dd,J=8.1,1.3Hz,1H),7.40–7.37(m,1H),7.37–7.32(m,1H),7.27(s,1H),7.24(d,J=2.1Hz,1H),7.23(d,J=1.5Hz,1H),6.99–6.92(m,2H),5.97(s,1H),5.30(s,2H).13C NMR(101MHz,CDCl3)δ167.36,151.51,141.08,135.25,135.07,134.25,132.30,131.80,130.06,129.28,128.92,128.13,127.14,126.64,124.65,123.14,122.98,114.64,77.27,48.55;HRMS calcd for:C21H16ClN3O[M+H]+362.1055,found 362.1051.
化合物83. 1-苄基-2-(3-氯苯基)-1H-苯并[d]咪唑-4-甲酰胺:白色粉末,产率92%.m.p.188.3-188.8℃;1H NMR(400MHz,DMSO-d6)δ9.15(d,J=3.3Hz,1H),7.95(dd,J=7.6,1.1Hz,1H),7.87(t,J=1.9Hz,1H),7.83(d,J=3.3Hz,1H),7.80–7.75(m,2H),7.67(ddd,J=8.1,2.2,1.2Hz,1H),7.59(t,J=7.8Hz,1H),7.44–7.38(m,1H),7.34–7.25(m,3H),7.07–7.00(m,2H),5.69(s,2H).13C NMR(101MHz,DMSO-d6)δ166.21,152.73,140.57,136.86,136.75,134.07,131.73,131.34,130.81,129.44,129.36,129.12,128.36,128.18,126.68,124.19,123.57,123.41,115.46,48.31;HRMS calcd for:C21H16ClN3O[M+H]+362.1055,found 362.1053.
化合物84. 1-苄基-2-(4-氯苯基)-1H-苯并[d]咪唑-4-甲酰胺:淡黄色粉末,产率64%.m.p.215.9-216.5℃;1H NMR(400MHz,DMSO-d6)δ9.18(d,J=3.4Hz,1H),7.95(dd,J=7.6,1.1Hz,1H),7.89–7.81(m,3H),7.75(dd,J=8.1,1.1Hz,1H),7.69–7.61(m,2H),7.39(t,J=7.9Hz,1H),7.33–7.24(m,3H),7.05–6.99(m,2H),5.69(s,2H).13C NMR(101MHz,DMSO-d6)δ166.25,153.16,140.65,136.84,136.74,135.82,131.54,129.56,129.36,128.58,128.16,126.67,124.12,123.45,123.27,115.43,48.26;HRMS calcd for:C21H16ClN3O[M+H]+362.1055,found362.1058.
化合物85. 1-苄基-2-(3-硝基苯基)-1H-苯并[d]咪唑-4-甲酰胺:黄色粉末,产率80%.m.p.225.9-226.5℃;1H NMR(400MHz,CDCl3)δ9.59(s,1H),8.60(t,J=2.0Hz,1H),8.37(ddd,J=8.3,2.3,1.1Hz,1H),8.25(dd,J=7.4,1.3Hz,1H),8.08–7.99(m,1H),7.68(t,J=8.0Hz,1H),7.49(dd,J=8.2,1.3Hz,1H),7.48–7.38(m,1H),7.42–7.30(m,3H),7.13–7.05(m,2H),5.99(s,1H),5.55(s,2H).13C NMR(101MHz,CDCl3)δ167.01,151.43,148.48,136.54,135.15,134.91,131.09,130.10,129.48,128.50,125.80,125.40,125.00,124.41,123.90,123.20,114.44,48.80;HRMS calcd for:C21H16N4O3[M+H]+373.1295,found373.1290.
化合物86. 1-苄基-2-(4-硝基苯基)-1H-苯并[d]咪唑-4-甲酰胺:深黄色粉末,产率78%.m.p.250.6-251.3℃;1H NMR(400MHz,CDCl3)δ9.58(s,1H),8.39–8.30(m,2H),8.25(dd,J=7.0,1.8Hz,1H),7.95–7.87(m,2H),7.50–7.32(m,5H),7.12–7.05(m,2H),5.96(s,1H),5.54(s,2H).13C NMR(101MHz,CDCl3)δ166.94,140.96,136.58,135.38,130.30,129.50,128.47,125.68,125.48,124.08,124.03,123.27,114.48,48.79;HRMS calcd for:C21H16N4O3[M+H]+373.1295,found 373.1289.
化合物87. 1-苄基-2-(3-氟苯基)-1H-苯并[d]咪唑-4-甲酰胺:白色固体,产率45%.m.p.189.7-191.5℃;1H NMR(400MHz,CDCl3)δ9.68(s,1H),8.21(dd,J=7.1,1.6Hz,1H),7.52–7.28(m,8H),7.23(ddt,J=8.3,4.6,2.7Hz,1H),7.12–7.04(m,2H),5.99(s,1H),5.52(s,2H).13C NMR(101MHz,CDCl3)δ167.25,163.98,152.80(d,J=2.9Hz),141.00,136.35,135.51,131.31,130.70,130.61,129.33,128.23,125.85,124.99,124.92,124.89,123.35,122.95,117.68,117.47,116.77,116.54,114.43,77.24,48.69;HRMS calcd for:C21H16FN3O[M+H]+346.1350,found 346.1353.
化合物88. 1-苄基-2-(4-氟苯基)-1H-苯并[d]咪唑-4-甲酰胺:白色固体,产率65%.m.p.227.0-227.5℃;1H NMR(400MHz,CDCl3)δ9.71(s,1H),8.20(dd,J=7.1,1.6Hz,1H),7.72–7.67(m,2H),7.41–7.32(m,5H),7.22–7.15(m,2H),7.11–7.06(m,2H),5.97(s,1H),5.49(s,2H).13C NMR(101MHz,CDCl3)δ167.31,153.32,141.06,136.33,135.64,131.47,131.39,129.32,128.19,125.82,124.86,123.12,122.80,116.30,116.08,114.31,77.24,48.64;HRMS calcd for:C21H16FN3O[M+H]+346.1350,found 346.1344.
化合物89. 1-苄基-2-(吡啶-2-基)-1H-苯并[d]咪唑-4-甲酰胺:黄色固体,产率31%.m.p.℃;1H NMR(400MHz,CDCl3)δ9.87–9.59(m,1H),8.65(dt,J=4.8,1.3Hz,1H),8.44(d,J=7.9Hz,1H),8.18(dd,J=7.6,1.0Hz,1H),7.87(td,J=7.8,1.8Hz,1H),7.50(dd,J=8.2,1.0Hz,1H),7.40–7.33(m,2H),7.29–7.22(m,3H),7.19–7.13(m,2H),6.25(s,2H),6.16(s,1H).13C NMR(101MHz,CDCl3)δ167.47,149.90,148.85,140.64,137.07,136.98,136.89,128.73,127.63,126.78,125.04,124.94,124.40,123.46,122.84,114.69,49.24;HRMScalcd for:C20H16N4O[M+H]+329.1397,found 329.1398.
化合物90. 1-苄基-2-(吡啶-3-基)-1H-苯并[d]咪唑-4-甲酰胺:黄色固体,产率39%.m.p.℃;1H NMR(400MHz,CDCl3)δ9.80–9.53(m,1H),8.97(d,J=2.1Hz,1H),8.76(dd,J=4.9,1.7Hz,1H),8.22(dd,J=7.4,1.3Hz,1H),8.03(dt,J=7.9,2.0Hz,1H),7.47–7.41(m,2H),7.41–7.30(m,4H),7.07(dd,J=7.4,1.9Hz,2H),6.25–6.01(m,1H),5.53(s,2H).13CNMR(101MHz,CDCl3)δ167.20,151.31,151.25,149.84,141.09,136.68,136.39,135.31,129.40,128.34,125.75,125.11,123.63,123.56,123.03,114.43,48.66;HRMS calcd for:C20H16N4O[M+H]+329.1397,found 329.1390.
化合物91. 1-苄基-2-(呋喃-2-基)-1H-苯并[d]咪唑-4-甲酰胺:淡黄色粉末,产率42%.m.p.208.1-208.8℃;1H NMR(400MHz,CDCl3)δ9.64(s,1H),8.17(dd,J=7.5,1.1Hz,1H),7.61(dd,J=1.8,0.8Hz,1H),7.45(dd,J=8.1,1.1Hz,1H),7.37–7.31(m,2H),7.31–7.27(m,2H),7.26(s,1H),7.17(dd,J=3.4,0.8Hz,1H),7.16–7.10(m,2H),6.60(dd,J=3.5,1.8Hz,1H),5.77(s,2H).13C NMR(101MHz,CDCl3)δ167.29,144.67,141.23,136.04,135.88,129.05,128.02,126.27,125.00,123.10,122.56,114.13,113.84,112.21,77.23,48.68;HRMS calcd for:C19H15N3O2[M+H]+318.1237,found 318.1236.
化合物92. 1-苄基-2-(噻吩-2-基)-1H-苯并[d]咪唑-4-甲酰胺:棕黄色粉末,产率35%.m.p.212.3-212.9℃;1H NMR(400MHz,CDCl3)δ9.95–9.40(m,1H),8.19(dd,J=7.5,1.2Hz,1H),7.54(dd,J=5.1,1.0Hz,1H),7.40(dd,J=8.1,1.2Hz,1H),7.39–7.31(m,5H),7.15–7.07(m,3H),6.07(s,1H),5.65(s,2H).13C NMR(101MHz,CDCl3)δ167.34,148.28,141.03,136.59,135.43,131.22,129.71,129.33,128.58,128.17,125.79,124.97,123.15,122.53,113.79,48.48;HRMS calcd for:C19H15N3OS[M+H]+334.1009,found 334.1020.
化合物93. 1-苄基-2-环己基-1H-苯并[d]咪唑-4-甲酰胺:白色固体,产率96%.m.p.242.5-243.2℃;1H NMR(400MHz,CDCl3)δ9.87(s,1H),8.10(dd,J=7.5,1.2Hz,1H),7.38–7.21(m,6H),7.07–6.99(m,2H),5.40(s,2H),2.88(s,1H),1.84–1.72(m,4H),1.40–1.28(m,6H).13C NMR(101MHz,CDCl3)δ167.82,159.84,135.73,135.37,129.11,128.10,126.05,123.82,122.09,122.04,113.49,47.02,36.48,33.32,26.08,25.71;HRMS calcdfor:C21H23N3O[M+H]+334.1914,found 334.1916.
化合物94. 1-(3-苯丙基)-2-(吡啶-2-基)-1H-苯并[d]咪唑-4-甲酰胺:黄色粉末,产率45%.m.p.184.3-185.4℃;1H NMR(400MHz,CDCl3)δ9.75(d,J=4.2Hz,1H),8.59(dd,J=5.0,1.6Hz,1H),8.39(d,J=7.9Hz,1H),8.18(dd,J=7.5,1.1Hz,1H),7.84(td,J=7.8,1.8Hz,1H),7.48–7.43(m,1H),7.40(d,J=7.7Hz,1H),7.38–7.33(m,1H),7.29(t,J=7.4Hz,2H),7.22(d,J=7.2Hz,1H),7.18(d,J=1.6Hz,1H),7.16(s,1H),6.24(d,J=4.2Hz,1H),4.97–4.64(m,2H),2.73(t,J=7.4Hz,2H),2.25(p,J=7.5Hz,2H).13C NMR(101MHz,CDCl3)δ167.61,149.81,148.82,140.83,140.55,136.85,128.49,128.39,126.18,124.90,124.71,124.19,123.14,122.78,113.98,45.38,33.06,31.32;HRMS calcd for:C22H20N4O[M+H]+357.1710,found 357.1722.
化合物95. 1-(3-苯丙基)-2-(吡啶-3-基)-1H-苯并[d]咪唑-4-甲酰胺:黄色粉末,产率53%.m.p.161.7-162.4℃;1H NMR(400MHz,CDCl3)δ9.65–9.59(m,1H),9.01(dd,J=2.3,0.9Hz,1H),8.80(dd,J=4.9,1.7Hz,1H),8.22(dd,J=7.3,1.4Hz,1H),7.98(dt,J=7.9,2.0Hz,1H),7.54–7.40(m,3H),7.37–7.24(m,2H),7.29–7.16(m,1H),7.15–7.07(m,2H),6.01(s,1H),4.35–4.26(m,2H),2.67(t,J=7.3Hz,2H),2.28–2.16(m,2H).13C NMR(101MHz,CDCl3)δ167.20,151.08,150.56,149.83,141.08,139.70,136.58,135.87,128.74,128.24,126.59,124.88,123.58,123.21,122.99,113.93,44.41,32.70,31.20;HRMS calcd for:C22H20N4O[M+H]+357.1710,found 357.1711.
化合物96. 1-(3-苯丙基)-2-(邻甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:黄色粉末,产率67%.m.p.192.7-194.6℃;1H NMR(400MHz,CDCl3)δ9.67(s,1H),8.18(dd,J=7.4,1.3Hz,1H),7.49–7.42(m,2H),7.42–7.37(m,2H),7.36–7.29(m,2H),7.23(dd,J=8.1,6.3Hz,2H),7.21–7.16(m,1H),7.04–6.95(m,2H),5.91(s,1H),4.10–4.01(m,2H),2.50(t,J=7.5Hz,2H),2.25(s,3H),2.06–1.97(m,2H).13C NMR(101MHz,CDCl3)δ167.52,153.44,141.15,140.04,137.98,134.83,130.87,130.30,129.85,129.44,128.60,128.10,126.35,126.00,124.30,122.76,122.52,113.72,43.85,32.68,30.87,19.86;HRMS calcd for:C24H23N3O[M+H]+370.1914,found370.2371.
化合物97. 1-(3-苯丙基)-2-(间甲苯基)-1H-苯并[d]咪唑-4-甲酰胺:淡黄色粉末,产率80%.m.p.168.9-171.2℃;1H NMR(400MHz,CDCl3)δ9.87–9.48(m,1H),8.17(dd,J=7.6,1.1Hz,1H),7.54–7.50(m,1H),7.46–7.40(m,2H),7.40–7.33(m,3H),7.29–7.24(m,2H),7.23–7.14(m,1H),7.10–7.03(m,2H),5.96(s,1H),4.30–4.23(m,2H),2.61(t,J=7.3Hz,2H),2.44(s,3H),2.22–2.08(m,2H).13C NMR(101MHz,CDCl3)δ167.53,153.94,140.05,138.84,135.82,131.04,130.08,129.71,128.74,128.63,128.24,126.42,126.18,124.39,122.69,122.55,113.76,44.33,32.78,31.05,21.50;HRMS calcd for:C24H23N3O[M+H]+370.1914,found370.1922.
化合物98. 2-环己基-1-(3-苯丙基)-1H-苯并[d]咪唑-4-甲酰胺:白色固体,产率90%.m.p.198.8-199.9℃;1H NMR(400MHz,CDCl3)δ9.78(d,J=3.9Hz,1H),8.01(dd,J=7.4,1.3Hz,1H),7.30–7.24(m,3H),7.21(d,J=5.5Hz,1H),7.19(d,J=4.7Hz,1H),7.15–7.11(m,2H),5.85(d,J=4.0Hz,1H),4.13–3.95(m,2H),2.66(t,J=7.3Hz,2H),2.56(tt,J=11.6,3.4Hz,1H),2.09(dq,J=9.9,7.4Hz,2H),1.89–1.55(m,9H),1.24(s,H).13C NMR(101MHz,CDCl3)δ167.84,159.35,140.10,135.00,128.77,128.32,126.57,123.60,122.00,121.71,113.02,77.24,42.71,36.21,32.78,31.96,31.22,26.10,25.73;HRMScalcd for:C23H27N3O[M+H]+362.2227found 362.2218.
化合物99. 1-(3-苯丙基)-2-(噻吩-2-基)-1H-苯并[d]咪唑-4-甲酰胺:白色固体,产率80%.m.p.198.9-200.1℃;1H NMR(400MHz,CDCl3)δ9.55(s,1H),8.09(dd,J=7.2,1.5Hz,1H),7.46(dd,J=5.1,1.0Hz,1H),7.35–7.29(m,2H),7.29–7.24(m,3H),7.23–7.17(m,2H),7.12(dd,J=7.0,1.7Hz,2H),7.04(dd,J=5.1,3.7Hz,1H),5.86(s,1H),4.37–4.30(m,2H),2.71(t,J=7.3Hz,2H),2.23–2.13(m,2H).13C NMR(101MHz,CDCl3)δ167.35,140.94,140.01,136.18,131.51,129.27,128.76,128.47,128.30,128.09,126.60,124.72,122.78,122.42,113.33,44.30,32.92,31.18;HRMS calcd for:C21H19N3OS[M+H]+362.1322found 362.1326.
化合物100. 2-(3-氟苯基)-1-(3-苯基丙基)-1H-苯并[d]咪唑-4-甲酰胺:淡黄色固体,产率95%.m.p.169.7-170.5℃;1H NMR(400MHz,CDCl3)δ9.72–9.66(m,1H),8.20(dd,J=7.5,1.2Hz,1H),7.69–7.61(m,2H),7.52–7.37(m,2H),7.38–7.13(m,5H),7.14–7.07(m,2H),5.99(d,J=4.0Hz,1H),4.31–4.22(m,2H),2.66(t,J=7.2Hz,2H),2.26–2.13(m,2H).13C NMR(101MHz,CDCl3)δ167.41,152.65,141.01,139.86,135.84,131.35,131.26,128.70,128.30,126.54,124.57,122.76,122.73,116.23,116.01,113.80,44.22,32.70,31.06;HRMS calcd for:C23H20FN3O[M+H]+374.1663found 374.1665.
化合物101. 2-(4-氟苯基)-1-(3-苯基丙基)-1H-苯并[d]咪唑-4-甲酰胺:白色固体,产率95.7%.m.p.170.7-171.8℃;1H NMR(400MHz,CDCl3)δ9.59(s,1H),8.10(dd,J=7.5,1.2Hz,1H),7.60–7.53(m,2H),7.39(dd,J=8.1,1.2Hz,1H),7.36–7.28(m,1H),7.24–7.15(m,3H),7.12–7.05(m,2H),7.03–6.95(m,2H),5.97(s,1H),4.28–4.09(m,2H),2.18–2.01(m,2H).13C NMR(101MHz,CDCl3)δ167.37,162.53,152.60,140.61,139.83,135.72,131.41,131.32,128.70,128.29,126.55,124.72,122.88,122.64,116.25,116.04,113.87,44.26,32.69,31.03;HRMS calcd for:C23H20FN3O[M+H]+374.1663found 374.1668.
方法四、由邻硝基取代苯胺与醛反应生成多取代苯并咪唑。
N-取代-2-硝基-4-取代基-苯胺的合成方法:
合成通法:(以苯丙胺和3-氟-4-硝基苯甲醚为原料为例,)在1L烧瓶中加入3-氟-4-硝基苯甲醚(13.69g,0.08mol)、碳酸钾(33.17g,0.24mol)、乙腈360mL、苯丙胺(12.98g,0.096mol),回流2h冷至室温,倒入500mL纯水中,析出橘黄色固体,抽滤,干燥为纯品。
化合物102 3-(苄基氨基)-4-硝基苄腈:橘黄色固体,产率97.23%.m.p.151.5-152.6℃;1H NMR(400MHz,CDCl3)δ:8.42(d,J=6.2Hz,1H),8.28(d,J=8.7Hz,1H),7.44–7.38(m,2H),7.38–7.31(m,3H),7.13(d,J=1.6Hz,1H),6.90(dd,J=8.7,1.7Hz,1H),4.55(d,J=5.6Hz,2H);HRMS caled for C14H11N3O2[M+H]+254.0924,found 254.0926.
化合物103. 4-硝基-3-((3-苯丙基)氨基)苄腈:橘黄色固体,95.23%.m.p.93.2-94.7℃.1H NMR(400MHz,CDCl3)δ8.24(dd,J=8.7,2.0Hz,1H),8.05(d,J=5.4Hz,1H),7.37–7.29(m,2H),7.23(dd,J=15.7,7.0Hz,3H),7.06(s,1H),6.85(dd,J=8.9,1.7Hz,1H),3.30(q,J=6.7,6.3Hz,2H),2.79(td,J=7.4,2.0Hz,2H),2.09(pd,J=7.2,1.9Hz,2H);HRMScalcd for C16H15N3O2[M+H]+282.1237,found 282.1237.
化合物104 5-甲氧基-2-硝基-N-(3-苯基丙基)苯胺:亮黄色固体,91.64%.m.p.151.5-152.6℃.1H NMR(400MHz,CDCl3)δ8.36(d,J=6.1Hz,1H),8.14(d,J=9.5Hz,1H),7.35–7.27(m,2H),7.25–7.16(m,3H),6.22(dd,J=9.5,2.6Hz,1H),6.05(d,J=2.5Hz,1H),3.80(s,3H),3.28(td,J=7.1,5.4Hz,2H),2.78(t,J=7.4Hz,2H),2.07(p,J=7.3Hz,2H;HRMS calcd for C16H18N2O3[M+H]+287.1390,found 287.1390.
合成通法:向250mL反应瓶中加入1mmol化合物Ⅰ,1mmol合适的醛,15mL DMSO,9mmol保险粉溶解在10mL水中形成的溶液。在80℃下反应TLC跟踪反应至结束。降至室温,加入50mL纯水、0℃搅拌2h、过滤、20mL纯水洗涤滤饼,丙酮重结晶,真空干燥。
用此方法合成以下化合物:
化合物105. 1-苄基-2-(吡啶-2-基)-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ8.70–8.65(m,1H),8.46(d,1H),7.92–7.86(m,2H),7.65(d,1H),7.54(dd,1H),7.40(d,1H),7.31–7.26(m,3H),7.19–7.14(m,2H),6.22(s,2H);HRMS calcd for C20H14N4[M+H]+311.1291,found 311.1291.
化合物106. 1-苄基-2-(吡啶-4-基)-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ8.78(m,1H),8.54(dd,1H),8.15(dt,J=7.9,2.0Hz,1H),7.89–7.94(m,1H),7.74(d,2H),7.45(dd,1H),7.45–7.38(m,3H),7.06–7.11(m,2H),5.79(s,2H);HRMS calcd forC20H14N4[M+H]+311.1291,found 311.1289.
化合物108 1-苄基-2-苯基-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ7.90(d,J=8.3Hz,1H),7.74~7.68(m,2H),7.58~7.54(m,1H),7.54~7.50(m,3H),7.48(d,1H),7.42~7.30(m,3H),7.08(dd,2H),5.49(s,2H);HRMS calcd for C21H15N3[M+H]+310.1339,found310.1335.
化合物109 1-苄基-2-苯乙基-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ7.94(d,J=8.3Hz,1H),7.51(d,J=8.2Hz,2H),7.34–7.29(m,3H),7.25–7.19(m,3H),7.15–7.09(m,2H),6.97–6.90(m,2H),5.21(s,2H),3.31(dd,2H),3.18(dd,2H);HRMS calcd forC21H15N3[M+H]+338.1652,found 338.1648.
化合物110 1-苄基-2-(3-氟苯基)-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ7.84(dd,J=8.4,0.7Hz,1H),7.55–7.44(m,2H),7.44–7.35(m,3H),7.35–7.23(m,3H),7.20–7.16(m,1H),7.05–6.95(m,2H),5.43(s,2H);HRMS calcd for C21H14FN3[M+H]+328.1245,found 328.1241.
化合物111 1-苄基-2-(4-氟苯基)-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ7.88–7.78(m,1H),7.67–7.57(m,2H),7.50(dd,1H),7.46(d,1H),7.35–7.26(m,3H),7.17–7.05(m,2H),7.05–6.92(m,2H),5.40(s,2H);HRMS calcd for C21H14FN3[M+H]+328.1245,found 328.1243.
化合物112 1-苄基-2-(对甲苯基)-1H-苯并[d]咪唑-6-甲腈:1H NMR(400MHz,CDCl3)δ7.91(d,J=8.4Hz,1H),7.66–7.60(m,2H),7.57(dd,1H),7.52(d,),7.42–7.35(m,3H),7.32(d,2H),7.13–7.03(m,2H),5.50(s,2H),2.44(s,3H);HRMS calcd for C22H17N3[M+H]+324.1495,found 324.1498.
化合物113 1-苄基-2-(2-氯苯基)-1H-苯并[d]咪唑-6-甲腈:黄色粉末,产率67%.m.p.95.6-96.7℃;1H NMR(400MHz,CDCl3)δ7.95–7.89(m,1H),7.57(d,J=7.5Hz,3H),7.51(dd,J=7.9,6.4Hz,2H),7.43–7.35(m,3H),7.29–7.26(m,3H),5.28(s,2H);HRMScalcd for C21H14ClN3[M+H]+344.0949,found 344.0957.
化合物114 1-苄基-2-(3-氯苯基)-1H-苯并[d]咪唑-6-甲腈:白色粉末,产率76%,m.p.186.4-189.1℃;1H NMR(400MHz,CDCl3)δ7.84(dd,J=8.4,0.7Hz,1H),7.68(t,J=1.9Hz,1H),7.51(dd,J=8.4,1.5Hz,1H),7.48(ddt,J=4.8,2.9,1.4Hz,2H),7.44(ddd,J=8.1,2.1,1.1Hz,1H),7.36(d,J=7.8Hz,1H),7.34–7.28(m,3H),7.04–6.95(m,2H),5.41(s,2H);HRMS calcd for C21H14ClN3[M+H]+344.0949,found 344.0959.
化合物115 1-苄基-2-(4-氯苯基)-1H-苯并[d]咪唑-6-甲腈:黄色粉末,收率87%.m.p.199.5-200.9℃;1H NMR(400MHz,CDCl3)δ7.91(d,J=8.3Hz,1H),7.68–7.62(m,2H),7.58(dd,J=8.4,1.5Hz,1H),7.54(d,J=1.3Hz,1H),7.51–7.45(m,2H),7.41–7.34(m,3H),7.10–7.04(m,2H),5.47(s,2H);HRMS calcd for C21H14ClN3[M+H]+344.0949,found344.0948.
化合物116. 1-苄基-2-(2-氨基苯基)-1H-苯并[d]咪唑-6-甲腈:黄色粉末,收率71%.m.p.97.7-98.6℃;1H NMR(400MHz,DMSO-d6)δ8.21(d,J=1.4Hz,1H),7.90(d,J=8.3Hz,1H),7.70(dd,J=8.3,1.5Hz,1H),7.29(s,1H),7.27(d,J=2.1Hz,2H),7.26–7.23(m,2H),7.07–6.99(m,2H),6.93–6.86(m,1H),6.66(td,J=7.5,1.0Hz,1H),5.56(s,2H);HRMS calcd for C21H16N4[M+H]+325.1448,found 325.1448.
化合物117. 1-苄基-2-(呋喃-2-基)-1H-苯并[d]咪唑-6-甲腈:淡黄色粉末,产率82%.m.p.192.3-193.8℃;1H NMR(400MHz,CDCl3)δ7.93–7.84(m,1H),7.61–7.52(m,3H),7.44–7.33(m,4H),7.12(td,J=7.1,6.3,2.7Hz,3H),5.64(s,2H);HRMS calcd forC19H13N3O[M+H]+300.1131,found 300.1131.
化合物118. 1-苄基-2-(噻吩-2-基)-1H-苯并[d]咪唑-6-甲腈:白色粉末,产率80%.m.p.221.9-223.4℃;1H NMR(400MHz,CDCl3)δ7.86(d,J=8.4Hz,1H),7.63(d,J=1.7Hz,1H),7.59(d,J=1.4Hz,1H),7.54(dd,J=8.4,1.5Hz,1H),7.38–7.30(m,3H),7.25(d,J=3.6Hz,1H),7.14(d,J=2.1Hz,1H),7.13(t,J=1.8Hz,1H),6.62(dd,J=3.6,1.8Hz,1H),5.75(s,2H);HRMS calcd for C19H13N3S[M+H]+316.0903,found 316.0907.
化合物119. 1-苄基-2-乙基-1H-苯并[d]咪唑-6-甲腈:淡黄色粉末,产率43%.m.p.118.8-119.5℃;1H NMR(400MHz,CDCl3)δ7.72(d,J=8.4Hz,1H),7.47–7.37(m,2H),7.30–7.20(m,3H),6.98–6.90(m,2H),5.28(s,2H),2.84(q,J=7.5Hz,2H),1.36(t,J=7.5Hz,3H);HRMS calcd for C17H15N3[M+H]+262.1339,found 262.1342.
化合物120. 1-苄基-2-丁基-1H-苯并[d]咪唑-6-甲腈:黄色固体,产率45%.m.p.127.4-128.6℃;1H NMR(400MHz,CDCl3)δ7.72(d,J=8.2Hz,1H),7.46–7.37(m,2H),7.31–7.22(m,3H),7.02–6.84(m,2H),5.29(s,2H),2.94–2.68(m,2H),1.89–1.63(m,2H),1.34(dt,J=14.7,7.4Hz,2H),0.85(t,J=7.3Hz,3H);HRMS calcd for C19H19N3[M+H]+290.1652,found 290.1649.
化合物121. 6-甲氧基-2-苯基-1-(3-苯丙基)-1H-苯并[d]咪唑:浅黄色粉末,产率87%.m.p.106.5-108.0℃;1H NMR(400MHz,CDCl3)δ8.03(d,J=9.0Hz,1H),7.67(d,J=7.3Hz,2H),7.45(dq,J=14.9,7.3Hz,3H),7.31–7.13(m,4H),7.06(d,J=7.2Hz,2H),6.91(d,J=8.8Hz,1H),6.82(s,1H),4.32(t,J=8.0Hz,2H),3.81(s,3H),2.70–2.54(m,2H);HRMS calcd for C23H22N2O[M+H]+343.1805,found 343.1807.
化合物122. 2-苄基-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:粉色粉末,产率83%.m.p.194.9-195.7℃;1H NMR(400MHz,DMSO-d6)δ7.78(dd,J=9.1,1.8Hz,1H),7.41(d,J=2.5Hz,1H),7.29(q,J=6.9,6.2Hz,5H),7.26–7.10(m,6H),4.35(t,J=7.7Hz,2H),3.15(t,J=7.9Hz,2H),2.71(t,J=7.8Hz,2H),2.00(t,J=7.9Hz,2H);13C NMR(101MHz,DMSO-d6)δ158.40,152.67,141.13,139.62,133.02,129.03,128.90,128.85,128.71,127.13,126.54,124.99,116.01,115.79,96.05,56.64,44.28,32.56,32.15,30.39,27.22;HRMScalcd for C24H24N2O[M+H]+357.1961,found 357.1953.
化合物123 6-甲氧基-2-苯乙基-1-(3-苯丙基)-1H-苯并[d]咪唑:黄色粉末,产率90%.m.p.141.7-144.2℃;1H NMR(400MHz,CDCl3)δ7.77(dd,J=9.0,1.9Hz,1H),7.25–7.09(m,5H),7.00(d,J=7.4Hz,2H),6.95–6.89(m,1H),6.76–6.69(m,2H),4.20(t,J=7.8Hz,2H),3.79(d,J=1.9Hz,3H),2.48(s,2H),2.02(h,J=7.8Hz,2H).13C NMR(101MHz,CDCl3)δ148.66,146.96,139.92,133.22,133.02,130.51,128.61,128.25,127.91,126.38,117.93,117.67,115.47,94.38,77.25,56.06,44.74,32.40,30.17;HRMS calcd for C25H26N2O[M+H]+371.2118,found 371.2118.
化合物124 6-甲氧基-1-(3-苯丙基)-2-(邻甲苯基)-1H-苯并[d]咪唑:粉色粉末,产率88%.m.p.88.2-91.5℃;1H NMR(400MHz,CDCl3)δ7.72(d,J=8.8Hz,1H),7.44(td,J=7.4,1.7Hz,1H),7.40–7.34(m,2H),7.34–7.29(m,1H),7.28–7.26(m,1H),7.26–7.17(m,2H),7.08–7.01(m,2H),6.96(dd,J=8.8,2.4Hz,1H),6.73(d,J=2.3Hz,1H),4.02–3.94(m,2H),3.88(s,3H),2.52(t,J=7.5Hz,2H),2.25(s,3H),2.07–1.98(m,2H);13C NMR(101MHz,CDCl3)δ156.52,152.52,140.44,138.01,137.56,135.13,130.50,130.25,130.14,129.75,128.54,128.18,126.23,125.76,120.43,111.24,93.62,55.97,43.34,32.68,30.60,19.74;HRMS calcd for C24H24N2O[M+H]+357.1961,found 357.1953.
化合物125 6-甲氧基-1-(3-苯丙基)-2-(间甲苯基)-1H-苯并[d]咪唑:灰色粉末,产率83%.m.p.150.8-152.3℃;1H NMR(400MHz,CDCl3)δ7.61(d,J=8.8Hz,1H),7.45(td,J=1.7,0.9Hz,1H),7.31(dt,J=7.5,1.7Hz,1H),7.26(t,J=7.5Hz,1H),7.23–7.17(m,3H),7.16–7.09(m,1H),7.06–6.98(m,2H),6.85(dd,J=8.8,2.4Hz,1H),6.62(d,J=2.4Hz,1H),4.18–4.04(m,2H),3.77(s,3H),2.53(t,J=7.3Hz,2H),2.34(s,3H),2.07(dq,J=10.0,7.4Hz,2H);13C NMR(101MHz,CDCl3)δ156.57,153.13,140.43,138.62,137.63,136.20,130.53,130.28,130.02,128.58,128.50,128.32,126.31,125.91,120.42,111.39,93.72,55.96,43.91,32.78,30.80,21.45;HRMS calcd for C24H24N2O[M+H]+357.1961,found357.1951.
化合物126 6-甲氧基-1-(3-苯丙基)-2-(对甲苯基)-1H-苯并[d]咪唑:黄色粉末,产率87%.m.p.145.9-147.5℃;1H NMR(400MHz,CDCl3)δ7.71(d,J=8.8Hz,1H),7.59–7.52(m,2H),7.32–7.27(m,4H),7.26–7.21(m,1H),7.16–7.09(m,2H),6.94(dd,J=8.8,2.4Hz,1H),6.71(d,J=2.4Hz,1H),4.24–4.13(m,2H),3.87(s,3H),2.62(t,J=7.3Hz,2H),2.46(s,3H),2.16(dq,J=9.9,7.5Hz,2H);13C NMR(101MHz,CDCl3)δ156.52,153.07,140.44,139.57,137.56,136.19,129.42,129.00,128.58,128.35,127.67,126.29,120.32,111.34,93.71,55.96,43.86,32.76,30.80,21.45;HRMS calcd for C24H24N2O[M+H]+357.1961,found 357.1952.
化合物127 2-(2-氯苯基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:黄色粉末,产率64%.m.p.111.1-112.1℃;1H NMR(400MHz,CDCl3)δ8.10(d,J=9.1Hz,1H),7.77(dd,J=7.6,1.7Hz,1H),7.55–7.37(m,5H),7.24–7.10(m,3H),7.08–6.94(m,3H),6.82(d,J=2.3Hz,1H),4.15(t,J=7.8Hz,2H),3.82(s,3H),2.52(t,J=7.2Hz,2H),2.01(p,J=7.2Hz,2H).13C NMR(101MHz,CDCl3)δ159.03,145.92,139.56,133.96,133.60,133.26,132.46,130.18,128.65,128.23,128.15,126.46,125.94,122.04,118.18,117.11,94.04,56.24,44.81,32.20,30.06;HRMS calcd for C23H21ClN2O[M+H]+377.1415,found 377.1418.
化合物128 2-(3-氯苯基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:灰色粉末,产率92%.m.p.131.2-132.7℃;1H NMR(400MHz,CDCl3)δ7.66–7.58(m,2H),7.44–7.35(m,2H),7.30(t,J=7.8Hz,1H),7.23–7.19(m,2H),7.17–7.10(m,1H),7.08–7.00(m,2H),6.86(dd,J=8.8,2.4Hz,1H),6.62(d,J=2.3Hz,1H),4.24–3.97(m,2H),3.78(s,3H),2.54(t,J=7.3Hz,2H),2.13–2.02(m,2H);13C NMR(101MHz,CDCl3)δ156.87,151.26,140.19,137.54,136.25,134.79,132.39,129.98,129.62,129.32,128.64,128.30,127.05,126.41,120.65,111.87,93.63,55.94,43.92,32.72,30.79;HRMS calcd for C23H21ClN2O[M+H]+377.1415,found377.1408.
化合物129 2-(4-氯苯基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:白色粉末,90%.m.p.159.1-160.5℃;1H NMR(400MHz,CDCl3)δ7.60(d,J=8.8Hz,1H),7.52–7.44(m,2H),7.38–7.29(m,2H),7.26–7.11(m,3H),7.05–6.97(m,2H),6.86(dd,J=8.8,2.4Hz,1H),6.62(d,J=2.3Hz,1H),4.12–4.03(m,2H),3.77(s,3H),2.54(t,J=7.2Hz,2H),2.06(p,J=7.3Hz,2H);13C NMR(101MHz,CDCl3)δ156.80,151.60,140.18,137.52,136.25,135.69,130.34,129.02,128.65,128.34,126.43,120.53,111.76,93.65,55.95,43.80,32.67,30.78;HRMS calcd for C23H21ClN2O[M+H]+377.1415,found 377.1414.
化合物130 2-(3-氟苯基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:灰色粉末,产率81%.m.p.104.5-105.6℃;1H NMR(400MHz,CDCl3)δ7.71(d,J=8.8Hz,1H),7.49–7.38(m,3H),7.35–7.28(m,1H),7.30(s,1H),7.29–7.15(m,2H),7.20–7.09(m,2H),6.96(dd,J=8.8,2.4Hz,1H),6.71(d,J=2.3Hz,1H),4.25–4.16(m,2H),3.87(s,3H),2.64(t,J=7.2Hz,2H),2.23–2.11(m,2H);13C NMR(101MHz,CDCl3)δ163.94,161.48,156.85,151.39(d,J=2.4Hz),140.21,137.54,136.27,132.71,130.43,130.34,128.64,128.31,126.41,124.74,124.71,120.65,116.63,116.43,116.17,111.84,93.63,55.94,43.88,32.72,30.78;HRMScalcd for C23H21FN2O[M+H]+361.1711,found 361.1713.
化合物131 2-(4-氟苯基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:褐色粉末,产率88%.m.p.137.8-138.6℃;1H NMR(400MHz,CDCl3)δ7.60(d,J=8.8Hz,1H),7.57–7.47(m,2H),7.26–7.10(m,3H),7.11–6.98(m,4H),6.86(dd,J=8.8,2.4Hz,1H),6.63(d,J=2.3Hz,1H),4.12–4.03(m,2H),3.78(s,3H),2.54(t,J=7.2Hz,2H),2.06(dq,J=9.6,7.3Hz,2H);13C NMR(101MHz,CDCl3)δ162.19,156.71,151.84,140.24,137.49,136.17,131.09,131.01,128.64,128.34,126.42,120.45,115.99,115.77,111.60,93.70,77.24,55.96,43.79,32.70,30.78;HRMS calcd for C23H21FN2O[M+H]+361.1711,found 361.1711.
化合物132 2-(噻吩-2-基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:黄色固体,产率95%.m.p.134.7-135.7℃;1H NMR(400MHz,DMSO-d6)δ8.16–8.07(m,1H),7.80(t,J=2.8Hz,1H),7.71(dd,J=9.0,2.1Hz,1H),7.46(s,1H),7.35(q,J=3.5,2.5Hz,1H),7.32–7.25(m,2H),7.21(d,J=7.2Hz,3H),7.15(d,J=9.1Hz,1H),4.55(t,J=7.9Hz,2H),3.90(d,J=2.0Hz,3H),2.74(t,J=7.7Hz,2H),2.15(p,J=7.7Hz,2H);13C NMR(101MHz,DMSO-d6)δ158.44,144.22,141.02,134.81,133.68,133.16,129.26,128.87,128.82,127.72,126.59,124.72,116.47,116.12,95.73,56.65,45.13,32.25,30.65;HRMS calcd forC21H20N2OS[M+H]+349.1369found 349.1369.
化合物133 2-(呋喃-2-基)-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:黄色固体,产率78%.m.p.169.1-171.0℃;1H NMR(400MHz,DMSO-d6)δ8.19(d,J=1.7Hz,1H),7.68(d,J=8.9Hz,1H),7.49(dd,J=5.8,3.0Hz,2H),7.34–7.25(m,2H),7.28–7.14(m,4H),6.93(dd,J=3.7,1.8Hz,1H),4.65(s,1H),4.65(d,J=15.3Hz,1H),3.90(s,3H),2.79(t,J=7.6Hz,2H),2.23–2.06(m,2H).13C NMR(101MHz,DMSO-d6)δ158.65,148.44,141.16,139.7,139.17,134.48,128.87,128.79,126.74,126.56,117.87,116.53,116.03,113.94,95.77,56.69,45.47,32.29,30.55;HRMS calcd for C21H20N2O2[M+H]+333.1598,found 333.1599.
化合物134 2-丁基-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:白色粉末,产率94%.m.p.133.8-134.7℃;1H NMR(400MHz,DMSO-d6)δ7.72(d,J=8.9Hz,1H),7.44(d,J=2.3Hz,1H),7.35–7.29(m,2H),7.30–7.25(m,2H),7.25–7.19(m,1H),7.16(dd,J=9.0,2.3Hz,1H),4.45(t,J=7.7Hz,2H),3.88(s,3H),3.11(tt,J=12.2,3.5Hz,1H),2.19–2.06(m,2H),1.95(d,J=12.5Hz,2H),1.87–1.78(m,2H),1.74(d,J=12.3Hz,1H),1.64(qd,J=12.4,3.0Hz,2H),1.45–1.21(m,3H).13C NMR(101MHz,DMSO-d6)δ158.47,152.51,139.77,132.14,128.82,128.61,128.50,126.68,124.63,116.89,115.87,94.05,56.19,43.75,32.35,30.49,29.64,24.95,22.34,13.56;HRMS calcd for C21H26N2O[M+H]+323.2118,found 323.2116.
化合物135 2-环己基-6-甲氧基-1-(3-苯丙基)-1H-苯并[d]咪唑:黄色粉末,产率96%.m.p.176.5-177.4℃;1H NMR(400MHz,DMSO-d6)δ7.72(d,J=8.9Hz,1H),7.44(d,J=2.3Hz,1H),7.37–7.12(m,6H),4.45(t,J=7.7Hz,2H),3.88(s,3H),3.11(tt,J=12.2,3.5Hz,1H),2.76(t,J=7.6Hz,2H),2.18–2.07(m,2H),1.95(d,J=12.5Hz,2H),1.87–1.78(m,2H),1.78–1.67(m,1H),1.62(td,J=12.5,3.2Hz,2H),1.45–1.22(m,3H).13C NMR(101MHz,DMSO-d6)δ158.40,156.36,141.17,133.00,128.94,128.78,126.60,125.21,116.04,115.64,96.13,56.68,44.16,34.63,32.05,30.85,30.79,25.52,25.40;HRMScalcd for C23H28N2O[M+H]+349.2274,found 349.2278。
化合物136 6-甲基-1-苯甲基-2-苯基-1H-苯并[d]咪唑:浅黄色粉末,产率93%,m.p.202.4-203℃。1H NMR(400MHz,CDCl3,ppm)δ7.74(d,J=8.2Hz,1H),7.70-7.63(m,2H),7.50-7.39(m,3H),7.38-7.28(m,3H),7.17-7.07(m,3H),7.00(s,1H),5.42(s,2H),2.44(s,3H);13C NMR(100MHz,CDCl3,ppm)δ153.74,141.29,136.59,136.37,133.12,130.22,129.77,129.20,129.08,128.72,127.72,125.92,124.32,119.51,110.30,48.26,21.88;MScalcd for:C21H18N2[M+H]+299.1543,found 299.1608。
化合物137 2-(4-氯苯基)-6-甲基-1-苯甲基-1H-苯并[d]咪唑:淡黄色粉末,产率89%,m.p.180.9-181.9℃。1H NMR(400MHz,CDCl3,ppm)δ7.74(d,J=8.2Hz,1H),7.63-7.56(m,2H),7.43-7.30(m,5H),7.17-7.06(m,3H),7.01(t,J=4.1Hz,1H),5.40(s,2H),2.45(s,3H);13C NMR(100MHz,CDCl3,ppm)δ152.52,141.20,136.46,136.37,136.03,133.45,130.44,129.18,129.03,128.68,127.86,125.81,124.54,119.57,110.25,48.25,21.89;MScalcd for:C21H17ClN2[M+H]+333.1153,found 333.1234。
化合物138 6-甲基-1-苯甲基-2-(对甲苯基)-1H-苯并[d]咪唑:淡黄色粉末,产率98%,m.p.196.4-197.5℃。1H NMR(400MHz,CDCl3,ppm)δ7.73(d,J=8.2Hz,1H),7.55(d,J=8.1Hz,2H),7.37-7.29(m,3H),7.24(d,J=7.9Hz,2H),7.12(dd,J=9.3,3.8Hz,3H),6.99(s,1H),5.41(s,2H),2.43(s,3H),2.39(s,3H);13C NMR(100MHz,CDCl3,ppm)δ153.91,141.27,139.90,136.69,136.38,132.93,129.42,129.08,129.05,127.66,127.27,125.92,124.21,119.39,110.24,48.26,21.86,21.42;MS calcd for:C22H20N2[M+H]+313.1699,found 313.1774。
化合物139 6-甲基-2-(4-硝基苯基)-1-苯甲基-1H-苯并[d]咪唑:淡黄色粉末,产率62%,m.p.163.0-163.8℃。1H NMR(400MHz,CDCl3,ppm)δ7.73(d,J=8.2Hz,1H),7.52-7.46(m,2H),7.39-7.28(m,3H),7.12(d,J=7.0Hz,3H),6.97(s,1H),6.73-6.66(m,2H),5.42(s,2H),2.44(s,3H);13C NMR(100MHz,CDCl3,ppm)δ154.33,147.91,141.28,136.87,136.42,132.52,130.47,129.03,127.59,125.93,124.01,119.95,119.07,114.81,110.11,50.86,21.83;MS calcd for:C21H17N3O2[M+H]+344.1394,found 344.1397。
化合物140 6-甲基-1-苯甲基-2-(吡啶-4-基)-1H-苯并[d]咪唑:淡黄色粉末,产率76%,m.p.230.8-231.5℃。1H NMR(400MHz,CDCl3,ppm)δ8.69(dd,J=4.5,1.5Hz,2H),7.77(d,J=8.3Hz,1H),7.58(dd,J=4.5,1.6Hz,2H),7.42-7.29(m,3H),7.18(d,J=8.3Hz,1H),7.10(d,J=6.7Hz,2H),7.06(s,1H),5.45(d,J=10.8Hz,2H),2.46(s,3H);13CNMR(100MHz,CDCl3,ppm)δ150.63,150.36,141.27,137.81,136.69,136.01,134.27,129.29,128.04,125.73,124.99,123.11,120.01,110.30,48.29,21.93;MS calcd for:C20H17N3[M+H]+300.1495,found 300.1572。
化合物141 6-甲基-1-苯乙基-2-苯基-1H-苯并[d]咪唑:黄色粉末,产率89%,m.p.96.6-97.4℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.60-7.46(m,7H),7.21-7.13(m,3H),7.08(dd,J=8.2,1.1Hz,1H),6.98-6.91(m,2H),4.44(t,J=7.4Hz,2H),2.99(t,J=7.4Hz,2H),2.49(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.19,141.25,138.26,136.07,132.28,131.01,129.84,129.50,129.08,128.96,128.81,126.97,123.96,119.22,111.21,46.01,35.43,21.96;;MS calcd for:C22H20N2[M+H]+313.1699,found 313.1713。
化合物142 2-(4-氯苯基)-6-甲基-1-苯乙基-1H-苯并[d]咪唑:淡黄色粉末,产率91%,m.p.119.7-120.4℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.58-7.55(m,1H),7.55-7.52(m,4H),7.52-7.48(m,2H),7.20-7.13(m,3H),7.09(dd,J=8.2,1.1Hz,1H),6.94-6.89(m,2H),4.46(t,J=7.2Hz,2H),2.99(t,J=7.2Hz,2H),2.49(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ152.05,141.20,138.21,136.09,134.64,132.50,131.25,129.84,129.11,129.02,128.79,127.01,124.12,119.29,111.30,46.06,35.37,21.97;MS calcd for:C22H19ClN2[M+H]+347.1310,found347.1370。
化合物143 6-甲基-1-苯乙基-2-(对甲苯基)-1H-苯并[d]咪唑:淡黄色粉末,产率70%,m.p.113.8-114.2℃。1H NMR(400MHz,DMSO-d6,ppm)δ7.54(d,J=8.2Hz,1H),7.49-7.41(m,3H),7.31(d,J=7.9Hz,2H),7.25-7.15(m,3H),7.07(d,J=9.3Hz,1H),7.03-6.96(m,2H),4.43(t,J=14.9Hz,2H),3.01(t,J=14.9Hz,2H),2.48(s,3H),2.40(s,3H);13C NMR(100MHz,DMSO-d6,ppm)δ153.24,141.23,139.47,138.32,136.11,132.10,129.56,129.40,129.12,128.83,128.17,126.99,123.86,119.10,111.15,46.01,35.44,21.95,21.42;MScalcd for:C23H22N2[M+H]+327.1856,found 327.1867.
化合物144 6-甲基-2-(4-硝基苯基)-1-苯乙基-1H-苯并[d]咪唑:黄色粉末,54%,m.p.220.8-221.9℃;1H NMR(400MHz,CDCl3,ppm)δ7.67(d,J=8.2Hz,1H),7.34-7.29(m,2H),7.28-7.18(m,5H),7.17(s,1H),7.12(d,J=8.2Hz,1H),7.05-6.98(m,2H),4.40(t,2H),3.09(t,2H),2.53(s,3H);13C NMR(100MHz,CDCl3,ppm)δ153.91,147.75,137.66,132.36,130.46,128.72,128.68,126.88,123.86,121.56,119.10,114.74,110.13,109.85,46.14,35.91,21.93;MS calcd for:C22H19N3O2[M+H]+358.1550,found 358.2650。
化合物145 6-甲基-1-苯乙基-2-(吡啶-4-基)-1H-苯并[d]咪唑:灰色粉末,产率84%,m.p.100.5-101.5℃;1H NMR(400MHz,CDCl3,ppm)δ8.61(d,J=5.3Hz,2H),7.72(d,J=8.2Hz,1H),7.23(d,J=6.0Hz,3H),7.19-7.10(m,4H),6.77(d,J=7.3Hz,2H),4.44(t,J=6.9Hz,2H),3.04(t,J=6.8Hz,2H),2.51(s,3H);13CNMR(100MHz,CDCl3,ppm)δ150.59,149.94,141.28,138.14,137.05,135.59,133.76,128.76,128.62,127.10,124.69,123.31,119.97,110.25,46.15,35.63,22.02;MS calcd for:C21H19N3[M+H]+314.1652,found314.1666。
化合物146 6-甲基-2-苯基-1-(3-苯基丙基)-1H-苯并[d]咪唑:淡黄色粉末,产率89%,m.p.89.3-90.2℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.71-7.65(m,2H),7.58-7.47(m,4H),7.35(s,1H),7.29-7.23(m,2H),7.22-7.16(m,1H),7.15-7.05(m,3H),4.23(t,2H),2.55(t,J=7.4Hz,2H),2.47(s,3H),2.09-1.99(m,2H);13C NMR(100MHz,DMSO-d6,ppm)δ152.81,141.26,141.13,136.35,132.25,131.01,129.93,129.44,129.14,128.82,128.74,126.45,123.94,119.24,110.94,43.90,32.41,31.05,21.96;MS calcd for:C23H22N2[M+H]+327.1856,found 327.1920。
化合物147 2-(4-氯苯基)-6-甲基-1-(3-苯基丙基)-1H-苯并[d]咪唑:淡黄色粉末,产率91%,m.p.140.9-142.2℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.74-7.66(m,2H),7.60-7.52(m,3H),7.37(s,1H),7.31-7.23(m,2H),7.22-7.16(m,1H),7.15-7.05(m,3H),4.22(t,2H),2.54(t,2H),2.46(s,3H),2.08-1.97(m,2H);13CNMR(100MHz,DMSO-d6,ppm)δ151.65,141.16,141.08,136.37,134.80,132.52,131.24,129.80,129.23,128.80,128.75,126.43,124.12,119.30,111.01,43.88,32.34,31.01,21.96;MS calcd for:C23H21ClN2[M+H]+361.1466,found 361.1480。
化合物148 6-甲基-1-(3-苯基丙基)-2-(对甲苯基)-1H-苯并[d]咪唑:淡黄色粉末,产率71%,m.p.116.8-117.9℃;1H NMR(400MHz,DMSO-d6,ppm)δ7.55(dd,J=11.2,8.2Hz,3H),7.35-7.23(m,5H),7.22-7.15(m,1H),7.14-7.09(m,2H),7.06(dd,J=8.2,1.1Hz,1H),4.22(t,2H),2.54(t,2H),2.46(s,3H),2.40(s,3H),2.08-1.97(m,H);13CNMR(100MHz,DMSO-d6,ppm)δ152.91,141.19,141.14,139.55,136.32,132.11,129.72,129.33,128.80,128.74,128.12,126.42,123.87,119.11,110.87,43.87,32.41,31.07,21.95,21.43;MS calcd for:C24H24N2[M+H]+341.2012,found 341.2019。
化合物149 6-甲基-2-(4-硝基苯基)-1-(3-苯基丙基)-1H-苯并[d]咪唑:黄色粉末,产率65%,m.p.240.5-241.4℃;1H NMR(400MHz,CDCl3,ppm)δ7.65(d,J=8.1Hz,1H),7.44(d,J=8.5Hz,2H),7.30(d,J=7.0Hz,3H),7.22(t,J=7.3Hz,2H),7.14-7.06(m,4H),4.17(t,J=16.3,8.4Hz,2H),2.62(t,J=7.4Hz,2H),2.49(s,3H),2.21(m,2H);13CNMR(100MHz,CDCl3,ppm)δ157.05,153.61,147.76,140.53,135.79,132.20,30.43,128.55,128.38,128.28,126.26,123.73,118.99,114.84,109.77,43.94,32.85,30.95,21.89。
化合物150 6-甲基-1-(3-苯基丙基)-2-(吡啶-4-基)-1H-苯并[d]咪唑:灰色粉末,产率88%,m.p.101.3-103.2℃;1H NMR(400MHz,CDCl3,ppm)δ8.68(dd,J=4.5,1.6Hz,2H),7.74-7.68(m,1H),7.53(dd,J=4.5,1.6Hz,2H),7.33-7.27(m,3H),7.15-7.08(m,4H),4.23(t,J=8.9,6.9Hz,2H),2.66(t,J=7.2Hz,2H),2.52(s,3H),2.23-2.16(m,2H);13CNMR(100MHz,CDCl3,ppm)δ150.3,149.9,143.6,141.2,140.0,138.2,136.1,133.8,128.7,128.4,126.6,124.65,123.17,119.93,110.04,43.90,32.71,31.11,21.98;MS calcd for:C22H21N3[M+H]+328.1808,found 328.1818。
实施例2生物活性测定
用磷脂酶特异性底物12-=(4,4-二氟5,7-二甲基-4-硼杂-3a,4a-二氮杂-s-引达省(indacene)-3-十一酰基)-sn-甘油基-3-磷酸胆碱(生产商Molecular Probes)来定义内皮脂酶的酶活性和抑制剂的作用。用酶水解该磷脂的A1酯键,释放出荧光染料Bodipy标记的脂肪酸,其可以通过薄层色谱法在TLC板(硅胶60,Merck)上分离后进行检测,或者直接在反应容器中通过测量荧光进行检测。
通过将100ug的1,2-二(4,4-二氟-5,7-二甲基-4-硼杂-3a,4a-二氮杂-s-引达省-3-十一酰基)-sn-甘油基-3-磷酸胆碱(生产商Molecular Probes)溶解于100ul DMSO中,吸收到包含20mg/m1DOP-胆碱(1,2-二油酰基-sn-甘油基3-磷酸胆碱)的2.4mg棕榈酸甘油酯在393μl氯仿中的2.4g棕榈精溶液中来制备底物溶液。转移39.3μl该脂类混合物到新的反应容器中,蒸发溶剂。通过超声处理两次将脂类混合物溶解在4ml 200mM TRIS-HCl,150mM氯化钠,pH=7.4中。随后的酶促反应在37℃下进行90分钟。为此,将20μl底物溶液与2μl适宜浓度的抑制剂(溶于10%DMSO中,用10%的DMSO溶液作为对照)和2μl酶溶液(条件培养基)一起进行孵育。然后将4μl测试混合物上样到HPTLC板(硅胶60,Merck)上,用洗脱液(乙醚:石油醚:乙酸[78:22:1])分离释放的荧光染料以进行检测。蒸发洗脱液后,在荧光扫描仪中读板。观察未被抑制的反应中荧光染料释放的增加作为酶活性的量度。
酶活性的降低与所用抑制剂的浓度呈函数关系。所观察的半数最大酶活性的抑制剂浓度被称为IC50。在这些试验中,各实施例的化合物的IC50值如表1所示:
表1苯并咪唑类化合物的IC50值结果
另外,通过多种试验模型来检测作为活性药物成分的本发明化合物的可用性。通过下述实施例来描述这些试验模型。
在水性体系中的溶解度
物质在水溶剂系统中足够的溶解度对于(可重复的)药物效果而言是重要的必要条件。可以通过不同的方法来检测在水系统中的溶解度。建立了合适的溶解沉淀方法(“动力学溶解度”)的例子和研究固体样品溶解直至平衡的方法(“热力学溶解度”)。
a)动力学溶解度:
将待测化合物的DMSO溶液(2.5mM;0.5μl)移至在96孔滴定板内的200uL水性试验溶液(例如磷酸盐缓冲盐水,10x,1M,Sigma,调至10mM,pH7.4)中,并用比浊计(例如Nephelostar Galaxy,BMG Labtech)在6.25uM的待测化合物的所得理论浓度下检测浑浊度。然后通过进一步加入DMSO溶液(2.5mM;0.5μL)使水性试验溶液中的待测化合物浓度升高至12.5μM,并重复检测浑浊度。在完成两次检测过程之间进一步加入DMSO溶液(1uL,2.5mM;0.5μL,10mM;然后9×1μL,10mM,获得理论浓度25μM、50μM、100uM、150μM、200μM、250μM、300μM、350μM、400uM、450uM和500μM并检测浑浊度。
评价:将来自比浊计的浑浊度值对应于待测化合物在水性试验溶液中的理论浓度绘图。一旦在理论浓度检测出显著的浑浊度(例如5倍于水性试验溶液的对照值),就用以下的浓度水平作为溶液中待测化合物的溶解度界限。因此,最大可能检测范围显示为<625uM、6.25-500μM和>500uM的值。
优选的苯并咪唑类化合物显示在磷酸盐缓冲液(pH7.4)中至少12.5μM的动力学溶解度;更加优选至少50μM、甚至更加优选至少250μM的动力学溶解度。
b)热力学溶解度:
在DMSO中的待测化合物(500uM、100uM、50uM、10uM和1uM)的系列稀释液从HPLC UV检测仪得到的整体的UV吸收显示出与浓度以校准线形式的线性相关。将待测化合物(500ug)与水性试验溶液(250uL)一起在密封的小瓶(容量:1.5mL)中震荡16小时(Eppendorf thermoshaker,1400rpm,25℃,遮盖避光)。然后将样品在最大转速离心,最后过滤上清。过滤的上清的样品直接用HPLC UV检测仪分析(参见上文)。另一份样品在稀释后分析(1份体积的上清,39份体积的试验溶液)。
评价:根据已建立的校准线,从上清样品所得的整体UV吸收计算出未稀释上清中的待测化合物的浓度,并表示为待测化合物在各自水性试验溶液中的溶解度。
水性试验溶液的例子是去离子水或具有多种pH值(例如pH 1.2;pH4.0;pH6.8;pH7.4;pH9.0)的水性磷酸盐缓冲液,其可以从商品化的溶液(磷酸盐缓冲生理盐水,10x,Sigma)通过稀释和按标准方法用磷酸或氢氧化钠溶液调节来制备。
优选的本发明化合物在磷酸盐缓冲液(pH7.4)中显示出至少12.5μM的溶解度;更加优选至少50μM、甚至更加优选至少250μM的溶解度。
Claims (10)
1.一种具有内皮脂肪酶抑制作用的苯并咪唑类化合物及其互变异构形式和生理学耐受的盐,其特征在于,所述苯并咪唑类化合物的结构如通式(I)所示:
式中,
当R1为时,若R3为H,则R2选自取代芳基、芳基烷基、卤代烷基,其中取代芳基中的取代基为邻位或者间位取代的卤素、C1-C8烷基、C3-C6环烷基、-ORc、邻位的硝基;或者,若R3为-C(O)RaRb,则R2选自邻位、间位或者对位取代的芳基,邻位、间位或者对位取代的芳杂环基,芳基烷基,卤代烷基,其中取代的芳基或者芳杂环中的取代基选自卤素、C1-C8烷基、-ORc、硝基;R4、R5、R6分别独立的选自H、-ORc、C1-C8烷基、氰基;R’为邻位、间位或者对位取代的H、卤素、-ORc、C1-C8烷基;
当R1为时,R2选自未取代或取代的芳基、未取代或取代的芳杂环基、C3-C6环烷基、-ORc、C2-C8烷基、芳基烷基、卤代烷基,其中取代的芳基或者芳杂环基中的取代基选自邻位、间位或者对位取代的卤素、C1-C8烷基、ORc、硝基;R3为H、-C(O)RaRb、-ORc、C1-C8烷基、C3-C6环烷基;R4、R5、R6分别独立的选自H、-ORc、C1-C8烷基、氰基;R’为H、卤素、-ORc、C1-C8烷基;R”为邻位、间位或者对位取代的H、卤素、-ORc、C1-C8烷基;n为2-4;
当R1为时,R2选自未取代或取代的芳基、未取代或取代的芳杂环基、C3-C6环烷基、-ORc、C2-C8烷基、芳基烷基、卤代烷基,其中取代的芳基或者芳杂环基中的取代基选自邻位、间位或者对位取代的卤素、C1-C8烷基、ORc、硝基;R3为H、-C(O)RaRb、-ORc、C1-C8烷基、C3-C6环烷基;R4、R5、R6分别独立的选自H、-ORc、C1-C8烷基、氰基;R’为H、卤素、-ORc、C1-C8烷基;R”’为邻位、间位或者对位取代的H、卤素、-ORc、C1-C8烷基;
Ra、Rb分别独立的选自H、C1-C4烷基,Rc为H、C1-C8烷基。
2.根据权利要求1所述的苯并咪唑类化合物,其特征在于,芳基烷基为含未取代或取代的芳基的C1-C8烷基;取代的芳基中的取代基选自邻位、间位或者对位取代的卤素、C1-C8烷基、ORc、硝基。
3.根据权利要求1所述的苯并咪唑类化合物,其特征在于,芳杂环基中的芳杂环选自噻吩、呋喃、吡啶、吡咯、嘧啶。
4.苯并咪唑类化合物及其互变异构形式和生理学耐受的盐在制备内皮脂肪酶抑制药物中的应用,其特征在于,所述苯并咪唑类化合物的结构式如式(I)所示,
其中,R1是氢、(C1-C6)-烷基、(C1-C6)-卤代烷基、(C1-C6)烷氧基、(C1-C6)-亚烷基-芳基、(C1-C6)-亚烷基-杂环、(C1-C6)-亚烷基-(C3-C12)-环烷基、(C8-C14)-二环,其中芳基、杂环、环烷基或二环可以被下述优选的基团单或多取代:卤素、(C1-C6)-烷基、(C1-C3)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氧基、二-(C2-C12)烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、硝基、三氟甲基、三氟甲氧基、五氟硫基、(C1-C6)-烷基磺酰基、氨基磺酰基;
R2是-(C1-C6)-烷基、(C1-C6)-烷氧基、(C1-C3)-卤代烷氧基、(C1-C6)-亚烷基氨、二-(C2-C12)-烷基氨、-CO-(C1-C6)-烷基、-COOR7、-CO-NR8R9、-O-CONR8R9、-O-CO-(C1-C6)-亚烷基-CO-O-(C1-C6)-烷基、-O-CO-(C1-C6)-亚烷基-CO-OH或-O-CO-(C1-C6)-亚烷基-CO-NR8R9、芳基、杂环、-(C2-C12)环烷基;其中芳基、杂环、环烷基或二环可以被下述优选的基团单或多取代:卤素、(C1-C6)-烷基、(C1-C3)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氧基、二-(C2-C12)烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、硝基、三氟甲基、三氟甲氧基、五氟硫基、(C1-C6)-烷基磺酰基、氨基磺酰基;
R3、R4、R5、R6相同或不同地是氢、(C1-C6)-烷基、(C3-C12)-环烷基、(C1-C4)-亚烷基-芳基、(C1-C4)-亚烷基-(C3-C12)-环烷基、卤素、(C1-C6)-烷基、(C1-C3)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氧基、二-(C2-C12)烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基氫基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、硝基、三氟甲基、三氟甲氧基、五氟硫基、(C1-C6)-烷基磺酰基、氨基磺酰基;
R7是氢、(C1-C10)烷基、(C1-C4)亚烷基-CN、(C1-C4)亚烷基-芳基、(C1-C4)-亚烷基-杂环、(C1-C4)-亚烷基-(C3-C12)-环烷基、(C8-C14)-二环,其中芳基、杂环、环烷基或二环可以被下述优选的基团单或多取代:卤素、(C1-C6)-烷基、(C1-C6)-烷氧基、羟基、(C1-C6)-烷基巯基、氨基、(C1-C6)-烷基氨基、二-(C2-C12)-烷基氨基、单-(C1-C6)-烷基氨基羰基、二-(C2-C8)-烷基氨基羰基、(C1-C6)-烷氧基羰基、(C1-C6)-烷基羰基、氰基、三氟甲基、三氟甲氧基、硝基(C1-C6)-烷基磺酰基、氨基磺酰基;
R8、R9相同或不同地选自氢、(C1-C6)-烷基、芳基、(C3-C12)-环烷基、(C1-C4)-亚烷基-芳基、(C1-C4)-亚烷基-(C3-C12)-环烷基。
5.根据权利要求4所述的应用,其特征在于,所述生理学耐受的盐选自:盐酸盐、氢溴酸盐、磷酸盐、偏磷酸盐、硝酸和硫酸盐、乙酸盐、苯磺酸盐、苯甲酸盐、柠檬酸盐、乙磺酸盐、富马酸盐、萄糖酸盐、羟乙酸盐、羟乙磺酸盐、乳酸盐、乳糖酸盐、马来酸盐、苹果酸盐、甲磺酸盐、琥珀酸盐、对甲苯磺酸盐和酒石酸盐、铵盐、碱金属盐、碱土金属盐、氨基丁三醇盐、二乙醇胺盐、赖氨酸盐、乙二胺盐。
6.苯并咪唑类化合物及其互变异构形式和生理学耐受的盐在制备用于治疗和预防血脂异常的药物的应用;所述血脂异常包括动脉粥样硬化、冠心病、脑血管病;所述苯并咪唑类化合物及为权利要求4中定义的式(I)化合物。
7.苯并咪唑类化合物及其互变异构形式和生理学耐受的盐在制备用于治疗和预防与代谢综合症相关病症的药物中的应用,所述与代谢综合症相关病症包括肥胖症、高血压、心力衰竭、糖尿病;所述苯并咪唑类化合物及为权利要求4中定义的式(I)化合物。
8.苯并咪唑类化合物及其互变异构形式和生理学耐受的盐在制备用于治疗和预防涉及炎症反应或细胞分化的病症的药物中的应用;所述苯并咪唑类化合物及为权利要求4中定义的式(I)化合物;所述涉及炎症反应或细胞分化的病症包括血管再狭窄或再闭塞、慢性炎性肠病、视网膜病、脂肪细胞肿瘤、实体肿瘤和赘生物、急性和慢性骨髓增殖性疾病和淋巴瘤、血管生成、神经变性疾病;阿尔茨海默病;多发性硬化症;帕金森病;红斑鳞屑性皮肤病、湿疹和神经性皮炎、角膜炎和角化病、人乳头瘤病毒感染、疣、瘢痕疙瘩和瘢痕疙瘩预防、丘疹性皮肤病、皮肤癌、局限的良性上皮肿瘤、冻疮、多囊卵巢综合征、哮喘、红斑狼疮、炎性关节病、痛风、缺血/再灌注综合征、急性呼吸窘迫综合征。
9.一种用于抑制内皮脂肪酶的药物组合物,其特征在于,所述药物组合物包含权利要求4中定义的苯并咪唑类化合物及其互变异构形式和生理学耐受的盐,可药用的载体和/或赋形剂。
10.根据权利要求9所述的药物组合物,其特征在于,所述药物组合物的剂型选自胶囊剂、扁囊剂、锭剂、片剂、注射剂、软膏剂、霜剂、洗剂、糊剂、喷雾剂、气雾剂或油剂。
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