CN113164487B - 磷酸二酯酶抑制剂 - Google Patents
磷酸二酯酶抑制剂 Download PDFInfo
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- CN113164487B CN113164487B CN201980066977.4A CN201980066977A CN113164487B CN 113164487 B CN113164487 B CN 113164487B CN 201980066977 A CN201980066977 A CN 201980066977A CN 113164487 B CN113164487 B CN 113164487B
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Abstract
本文提供了用于调节磷酸二酯酶PDE4的化合物和方法。更具体地,提供了选择性抑制剂PDE4,以及此类抑制剂在调节疾病和障碍,例如用于治疗癌症、炎性疾病、神经系统疾病、神经退行性疾病和成瘾中的用途。
Description
背景技术
磷酸二酯酶4(PDE4)是一类细胞内酶,它们形成涉及多种生理和病理生理病症的信号传导途径的关键组分。PDE4是负责在许多细胞类型中降解第二信使环状AMP(cAMP)的水解酶。PDE4酶家族包括由不同基因独立编码的四种亚型(PDE4A-D)。PDE4A、PDE4B和PDE4D存在于脑中。PDE4B在如抑郁症和炎症等障碍的病因学中起着至关重要的作用。开发作为选择性和有效的PDE4抑制剂的新型1H-吡咯并[2,3-b]吡啶-2-甲酰胺衍生物是解决对各种疾病和障碍的疗法的需求的有前途的策略。
发明内容
本公开提供了式I的化合物:
其中
X、Y和Z各自独立地是N或CR3;
R是各自任选地被1-3个R4取代的C0-6亚烷基-C6-10芳基、C0-6亚烷基-5-7元杂芳基、C0-6亚烷基-C3-10环烷基、或C0-6亚烷基-3-10元杂环烷基,其中所述杂芳基和杂环烷基包含1-4个独立地选自N、O和S的环杂原子;
R1是H、C1-6烷基、或包含1-4个独立地选自N、O和S的环杂原子的3-10元杂环烷基,并且所述杂环烷基任选地被1-3个R5取代;
R2是C1-6烷基、C0-6亚烷基-C3-10环烷基、或包含1-4个独立地选自N、O和S的环杂原子的C0-6亚烷基-3-10元杂环烷基,其中所述烷基、环烷基和杂环烷基任选地被1-3个R5取代;
或R1和R2与它们所附接的氮原子一起形成包含0-2个独立地选自N、O和S的另外的环杂原子的3-10元杂环烷基环,其中所述杂环烷基任选地被1-3个R6取代;
每个R3独立地是H、C1-6烷基、卤素、CF3、OH、CN、CONR7(R7)、SO2NR7R7、O-C1-6烷基、或O-C6-10芳基,并且所述芳基任选地被1-3个R5取代;
每个R4独立地是C1-6烷基、卤素、CF3、CN、CONHR7、SO2NR7R7、O-C1-6烷基、或O-C6-10芳基;
R5和R6中的每一个独立地是C1-6烷基、卤素、CF3、CN、OH、或O-C1-6烷基;并且
每个R7独立地是H、C1-6烷基、C0-6亚烷基-C6-10芳基、C0-6亚烷基-5-7元杂芳基、C0-6亚烷基-C3-10环烷基、或C0-6亚烷基-3-10元杂环烷基,每个芳基、杂芳基、环烷基和杂环烷基任选地被1-3个R5取代,并且所述杂芳基和杂环烷基包含1-4个独立地选自N、O和S的环杂原子。
在一些实施方案中,R是C0-6亚烷基-C6-10芳基或C0-6亚烷基-5-10元杂芳基。在一些实施方案中,R是C6-10芳基或5-7元杂芳基。在一些实施方案中,R是苯基。在一些实施方案中,R是二氯苯基。在一些实施方案中,R是 在一些实施方案中,R是在一些实施方案中,R是
本文还提供了使用所述化合物抑制PDE4的方法。在一个实施方案中,本公开的化合物抑制PDE4的一种或多种特定亚型,包括PDE4A、PDE4B、PDE4C和PDE4D。在一些实施方案中,本公开的化合物抑制PDE4B和/或PDE4D。
本公开的其他方面包括如本文所公开的化合物,其用于在制备用于治疗或预防受试者的能够被PDE4抑制所调节的疾病或障碍的药物中使用,以及如本文所公开的化合物在治疗或预防受试者的能够被PDE4抑制所调节的疾病或障碍的方法中的用途。
附图说明
图1显示了(从左到右)化合物8和39、对照(3-(3-氯-4-甲基苯基)-N-环丙基-3H-咪唑并[4,5-b]吡啶-2-甲酰胺)、以及化合物7、18和37对抑制巨噬细胞促炎症活性的作用。在用(A)脂多糖(LPS)(100ng/ml)或(B)合成脂肽(Pam3Cys)(10μg/ml)刺激之前,源自骨髓的巨噬细胞是未受刺激的(-)或用指定浓度的充分表征的PDE4抑制剂咯利普兰或目标化合物(1或10μM)预处理了30min。
图2显示化合物8显著降低了小鼠中可卡因介导的寻求和摄入行为。
图3显示化合物8抑制了可卡因诱导的超运动,而化合物8本身没有任何增加。
具体实施方式
本文提供了PDE4的小分子抑制剂及其使用方法。在一个实施方案中,本公开的化合物抑制PDE4的一种或多种特定亚型,包括PDE4A、PDE4B、PDE4C和PDE4D。在一些实施方案中,本公开的化合物抑制PDE4B和/或PDE4D。这些化合物可用于治疗多种疾病和障碍,包括但不限于癌症、神经退行性疾病、成瘾、自身免疫性障碍、炎性障碍、抑郁症和抑郁障碍、以及焦虑障碍。
本公开的化合物
本公开提供了式I的化合物:
其中
X、Y和Z各自独立地是N或CR3;
R是各自任选地被1-3个R4取代的C0-6亚烷基-C6-10芳基、C0-6亚烷基-5-7元杂芳基、C0-6亚烷基-C3-10环烷基、或C0-6亚烷基-3-10元杂环烷基,其中所述杂芳基和杂环烷基包含1-4个独立地选自N、O和S的环杂原子;
R1是H、C1-6烷基、或包含1-4个独立地选自N、O和S的环杂原子的3-10元杂环烷基,并且所述杂环烷基任选地被1-3个R5取代;
R2是C1-6烷基、C0-6亚烷基-C3-10环烷基、或包含1-4个独立地选自N、O和S的环杂原子的C0-6亚烷基-3-10元杂环烷基,其中所述烷基、环烷基和杂环烷基任选地被1-3个R5取代;
或R1和R2与它们所附接的氮原子一起形成包含0-2个独立地选自N、O和S的另外的环杂原子的3-10元杂环烷基环,其中所述杂环烷基任选地被1-3个R6取代;
每个R3独立地是H、C1-6烷基、卤素、CF3、OH、CN、CONR7(R7)、SO2NR7R7、O-C1-6烷基、或O-C6-10芳基,并且所述芳基任选地被1-3个R5取代;
每个R4独立地是C1-6烷基、卤素、CF3、CN、CONHR7、SO2NR7R7、O-C1-6烷基、或O-C6-10芳基;
R5和R6中的每一个独立地是C1-6烷基、卤素、CF3、CN、OH、或O-C1-6烷基;并且
每个R7独立地是H、C1-6烷基、C0-6亚烷基-C6-10芳基、C0-6亚烷基-5-7元杂芳基、C0-6亚烷基-C3-10环烷基,或C0-6亚烷基-3-10元杂环烷基,每个芳基、杂芳基、环烷基和杂环烷基任选地被1-3个R5取代,并且所述杂芳基和杂环烷基包含1-4个独立地选自N、O和S的环杂原子。
如本文所用,术语“烷基”是指含有一个至三十个碳原子,例如一个至二十个碳原子或一个至十个碳原子的直链和支链饱和烃基。术语Cn意指烷基具有“n”个碳原子。例如,C4烷基是指具有4个碳原子的烷基。C1-C6烷基是指具有涵盖整个范围(例如,1到6个碳原子)以及所有子范围(例如,1-6个、2-5个、1-4个、3-6个、1个、2个、3个、4个、5个和6个碳原子)的碳原子数的烷基。烷基的非限制性实例包括甲基、乙基、正丙基、异丙基、正丁基、仲丁基(2-甲基丙基)和叔丁基(1,1-二甲基乙基)。除非另有说明,否则烷基可以是未经取代的烷基或经取代的烷基。
本文所用的术语“亚烷基”是指具有取代基的烷基。亚烷基可以是-CH2CH2-或-CH2-。术语Cn意指亚烷基具有“n个”碳原子。例如,C1-6亚烷基是指具有涵盖整个范围以及所有亚组的碳原子数的亚烷基,如先前针对“烷基”基团所描述。除非另有说明,否则亚烷基可以是未经取代的亚烷基或经取代的亚烷基。
如本文所用,术语“环烷基”是指含有三个至十个碳原子(例如,3个、4个、5个、6个、7个、8个、9个或10个碳原子)的脂肪族环状烃基。术语Cn意指环烷基具有“n”个碳原子。例如,C5环烷基是指在环中具有5个碳原子的环烷基。C3-10环烷基是指碳原子数涵盖整个范围(例如3至10个碳原子)以及所有亚组(例如,3-9个、3-8个、3-7个、3-6个、3-5个、3-4个、4-9个、4-8个、4-7个、4-6个、4-5个、5-9个、5-8个、5-7个、5-6个、6-9个、6-8个、6-7个、7-9个、7-8个、8-9个、3个、4个、5个、6个、7个、8个、9个和10个碳原子)。环烷基的非限制性实例包含环丙基、环丁基、环戊基、环己基、环庚基和环辛基。除非另有说明,否则环烷基可以是未经取代的环烷基或经取代的环烷基。例如,环烷基可以是被一个或两个氟基团取代的环丁基环。本文所述的环烷基可以是单独的,或者与另一个环烷基、杂环烷基、芳基和/或杂芳基稠合。稠合可以是例如螺旋稠合。当环烷基与另一个环烷基稠合时,除非另有说明,否则每个环烷基可以含有三至十个碳原子。
如本文所用,术语“杂环烷基”与环烷基类似地定义,不同之处在于环上含有一个至四个独立地选自氧、氮和硫的杂原子。特别地,术语“杂环烷基”是指含有总共三个至十个原子(例如,三个至七个或五个至十个)的环,其中那些原子中的1个、2个、3个或4个原子是独立地选自由氧、氮和硫组成的组的杂原子,并且环中剩余的原子是碳原子。杂环烷基的非限制性实例包含氮杂环丁烷、哌啶、吡唑烷、四氢呋喃、四氢吡喃、二氢呋喃、吗啉等。除非另有说明,否则杂环烷基可以是未经取代的杂环烷基或经取代的杂环烷基。例如,杂环烷基可以是被一个或两个氟基团取代的氮杂环丁烷环。
如本文所用,术语“芳基”是指单环芳香族基团,诸如苯基。除非另有说明,否则芳基可以是未经取代的或者被一个或多个并且特别是一个至四个独立地选自例如烷基、卤素、CF3、CN、OH、酰胺、磺胺、O-烷基或O-芳基的基团取代。芳基可以是独立的(例如苯基),或者与另一个芳基(例如萘基、蒽基)、环烷基(例如四氢萘基)、杂环烷基和/或杂芳基稠合。示例性芳基包括但不限于苯基、氯苯基、二氯苯基、甲基苯基、甲氧基苯基、三氟甲基苯基、2,4-甲氧基氯苯基等。
如本文所用,术语“杂芳基”是指具有5个至7个总环原子并且在芳香族环中含有一个至四个选自氮、氧和硫原子的杂原子的单环芳香族环。除非另有说明,否则杂芳基可以是未经取代的或者被一个或多个并且特别是一个至四个独立地选自例如烷基、卤素、CF3、CN、OH、酰胺、磺胺、O-烷基或O-芳基的基团取代。杂芳基的实例包括但不限于噻吩基、呋喃基、吡啶基、吡咯基、噁唑基、三嗪基、三唑基、异噻唑基、异噁唑基、咪唑基、吡嗪基、嘧啶基、噻唑基和噻二唑基。
在一些情况下,X、Y和Z中的至少一个是CR3。在一些情况下,X、Y和Z中的至少一个是N。在一些情况下,X、Y和Z各自是CR3。在一些情况下,每个R3独立地是H、C1-6烷基、卤素、CF3、OH、CN或O-C1-6烷基。在一些情况下,至少一个R3是H。在一些情况下,至少一个R3是C1-6烷基。在一些情况下,至少一个R3是卤素。在一些情况下,至少一个R3是CF3。在一些情况下,至少一个R3是OH。在一些情况下,至少一个R3是CN。在一些情况下,至少一个R3是–O-C1-6烷基。在一些情况下,X、Y和Z各自是CH。
在一些情况下,R是C0-6亚烷基-C6-10芳基或C0-6亚烷基-5-10元杂芳基。在一些情况下,R是C1-6亚烷基-C6-10芳基或C1-6亚烷基-5-10元杂芳基。在一些情况下,R是C1亚烷基-C6-10芳基或C1亚烷基-5-10元杂芳基。在一些情况下,R是C6-10芳基或5-7元杂芳基。在一些情况下,R是C6-10芳基或5-7元杂芳基。在一些情况下,R是苯基。在一些情况下,R是二氯苯基。在一些情况下,R是 在一些情况下,R是 在一些情况下,R是
在一些情况下,R被1个至3个R4取代。在一些情况下,R被1个R4取代。在一些情况下,R被2个R4取代。在一些情况下,R被3个R4取代。
在一些情况下,每个R4独立地是C1-6烷基、O-C1-6烷基、卤素或CN。在一些情况下,至少一个R4是卤素。在一些情况下,每个R4都是卤素。在一些情况下,至少一个R4是氟。在一些情况下,至少一个R4是氯。在一些情况下,至少一个R4是C1-6烷基。在一些情况下,至少一个R4是甲基。在一些情况下,至少一个R4是O-C1-6烷基。在一些情况下,至少一个R4是CN或OMe。。在一些情况下,至少一个R4是CN。。在一些情况下,至少一个R4是OMe。
在一些情况下,R1是H。在一些情况下,R1是C1-6烷基。
在一些情况下,R2是C0-6亚烷基-C3-10环烷基或C0-6亚烷基-3-10元杂环烷基。在一些情况下,R2是C3-10环烷基。在一些情况下,R2是C3-5环烷基。在一些情况下,R2是环丙基。在一些情况下,R2是环丁基。在一些情况下,R2是
在一些情况下,R2被1-3个R5取代。在一些情况下,R2被1个R5取代。在一些情况下,R2被2个R5取代。在一些情况下,R2被3个R5取代。。在一些情况下,至少一个R5是卤素。在一些情况下,每个R5都是卤素。在一些情况下,至少一个R5是氟。在一些情况下,每个R5都是氟。
在一些情况下,R1和R2与它们所附接的氮原子一起形成3-10元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成3元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成4元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成5元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成6元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成7元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成8元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成9元杂环烷基环。在一些情况下,R1和R2与它们所附接的原子一起形成10元杂环烷基环。在一些情况下,杂环烷基环是未经取代的。在一些情况下,杂环烷基环被1-3个R6取代。在一些情况下,杂环烷基环被1个R6取代。在一些情况下,杂环烷基环被2个R6取代。在一些情况下,杂环烷基环被3个R6取代。
在一些情况下,R6是卤素或CF3。在一些情况下,至少一个R6是卤素。在一些情况下,每个R6都是卤素。在一些情况下,R6是氟。在一些情况下,至少一个R6是CF3。
在一些情况下,N(R1)(R2)是
还提供了表A中列出的化合物或其药学上可接受的盐。还提供了表A中列出的化合物或其药学上可接受的盐的用途。
表A
本文所公开的化合物可以呈药学上可接受的盐的形式。如本文所使用的,术语“药学上可接受的盐”是指在合理的医学判断范围内适合用于与人和低等动物的组织接触而没有过度毒性、刺激、过敏反应等,并与合理的利益/风险比相称的那些盐。药学上可接受的盐是本领域熟知的。例如,S.M.Berge等人在J.Pharmaceutical Sciences,1977,66,1-19中详细描述了药学上可接受的盐,该文献以引用方式并入本文。本发明的化合物的药学上可接受的盐包含衍生自合适的无机和有机酸以及碱的盐。药学上可接受的无毒酸加成盐的实例是与无机酸(如盐酸、氢溴酸、磷酸、硫酸和高氯酸)或有机酸(、如乙酸、三氟乙酸、草酸、马来酸、酒石酸、柠檬酸、琥珀酸或丙二酸)或通过使用本领域中使用的其他方法(如离子交换)形成的氨基盐。其他药学上可接受的盐包含己二酸盐、藻酸盐、抗坏血酸盐、天冬氨酸盐、苯磺酸盐、苯甲酸盐、硫酸氢盐、硼酸盐、丁酸盐、樟脑酸盐、樟脑磺酸盐、柠檬酸盐、环戊烷丙酸盐、二葡糖酸盐、十二烷基硫酸盐、乙磺酸盐、甲酸盐、富马酸盐、葡庚糖酸盐、甘油磷酸盐、葡糖酸盐、谷氨酸盐、半硫酸盐、庚酸盐、己酸盐、氢碘化物、2-羟基-乙磺酸盐、乳糖酸盐(lactobionate)、乳酸盐、月桂酸盐、月桂基硫酸盐、苹果酸盐、马来酸盐、丙二酸盐、甲磺酸盐、2-萘磺酸盐、烟酸盐、硝酸盐、油酸盐、草酸盐、棕榈酸盐、扑酸盐、果胶酸盐、过硫酸盐、3-苯基丙酸盐、磷酸盐、苦味酸盐、新戊酸盐、丙酸盐、硬脂酸盐、琥珀酸盐、硫酸盐、酒石酸盐、硫氰酸盐、对甲苯磺酸盐、十一酸盐、戊酸盐等。含有羧酸或其他酸性官能团的化合物的盐可以通过与合适的碱反应来制备。此类盐包含但不限于碱金属、碱土金属、铝盐、铵、N+(C1-4烷基)4盐以及有机碱(如三甲胺、三乙胺、吗啉、吡啶、哌啶、甲基吡啶、二环己胺、N,N'-二苄基乙二胺、2-羟乙基胺、双-(2-羟乙基)胺、三-(2-羟乙基)胺、普鲁卡因、二苄基哌啶、脱氢松香胺、N,N'-双脱氢松香胺、葡糖胺、N-甲基葡糖胺、可力丁、奎宁、喹啉)和碱性氨基酸(如赖氨酸和精氨酸)的盐。本发明还预想了本文所公开的化合物的任何碱性含氮基团的季铵化。通过这种季铵化可以获得水溶性或油溶性或分散性产物。代表性碱或碱土金属盐包含钠、锂、钾、钙、镁等。另外的药学上可接受的盐包含在适当时使用抗衡离子(如卤化物、氢氧化物、羧酸盐、硫酸盐、磷酸盐、硝酸盐、低级烷基磺酸盐和芳基磺酸盐)形成的无毒铵、季铵和胺阳离子。
本公开化合物的合成
可以使用商业上可获得的起始材料、文献中已知或来自容易制备的中间体的化合物,通过采用本领域技术人员已知的或鉴于本文教导的标准合成方法和步骤,以各种方式来制备本文所公开化合物。用于有机分子制备以及官能团转化和操控的标准合成方法和程序可以从相关科学文献或从本领域中的标准教科书中获得。尽管不限于任何一个或若干个来源,但是经典文本(如Smith,M.B.,March,J.,March's Advanced Organic Chemistry:Reactions,Mechanisms,and Structure,第5版,John Wiley&Sons:New York,2001;以及Greene,T.W.,Wuts,P.G.M.,Protective Groups in Organic Synthesis,第3版,JohnWiley&Sons:New York,1999)是本领域技术人员已知的有用和公认的有机合成参考教科书。例如,本文所公开的化合物可以通过固相合成技术来合成,所述固相合成技术包括在以下文献中所描述的那些:Merrifield,J.Am.Chem.Soc.1963;85:2149;Davis等人,Biochem.Intl.1985;10:394-414;Larsen等人,J.Am.Chem.Soc.1993;115:6247;Smith等人,J.Peptide Protein Res.1994;44:183;O'Donnell等人,J.Am.Chem.Soc.1996;118:6070;Stewart和Young,Solid Phase Peptide Synthesis,Freeman(1969);Finn等人,TheProteins,第3版,第2卷,第105-253页(1976);以及Erickson等人,The Proteins,第3版,第2卷,第257-527页(1976)。以下对合成方法的描述旨在说明但不限制用于制备本公开的化合物的一般程序。
本文所公开的合成方法可以容许各种各样的官能团;因此可以使用各种被取代的起始材料。所述方法在整个过程结束时或接近结束时基本上提供所期望的最终化合物,但是在某些情况下可能需要进一步使所述化合物转化成其药学上可接受的盐、酯或前体药物。
通常,可以根据方案1或2合成式I的化合物。
方案1
可以使用方案1或2中所示的程序合成具有结构c的化合物。
在方案1中,用包含离去基团(例如硼酸)的取代基R的衍生物和适当的试剂(例如,水合氯醛、氢氧化铵和浓缩硫酸)处理甲酯a产生衍生物化合物b。例如,在R是芳基(例如3,4-二氯苯基)的情况下,在偶联条件下(例如,用乙酸铜(II)和在二氯甲烷中的吡啶于室温下处理12小时)用芳基硼酸(例如(3,4-二氯苯基)硼酸)处理a产生化合物b,其中R是芳基(例如3,4-二氯苯基)。在适当的条件下(例如用在甲醇和水的混合物中的氢氧化钠处理)水解b,随后在适当的偶联条件下(例如丙烷膦酸酐(T3P)和二异丙基乙胺(DIPEA)在二甲基甲酰胺(DMF)中于室温下持续30分钟至4小时)用具有NHR1R2结构的胺进行处理,产生具有结构c的式I化合物。适当的偶联条件对于本领域技术人员而言将是已知的,但是预期包括但不限于过渡金属催化的加合反应诸如铜催化的加合反应(例如,Lam偶联)。
方案2的条件与方案1中的条件相同,不同之处是在与R基团偶联以形成具有结构c的式I化合物之前,可以进行水解和胺偶联以形成酰胺d。
制备本文所公开的化合物的另外的合成程序可以在实施例章节中找到。
药物调配物、剂量和施用途径
还提供了药物调配物,其包含如本文所述的化合物(例如,式I化合物或所述化合物的药学上可接受的盐)以及药学上可接受的赋形剂。
可以以治疗有效量(例如,足以预防或减轻与异常PDE4活性相关的障碍的症状的量)将本文所述的化合物施用于受试者。这些化合物可以单独施用或作为药学上可接受的组合物或调配物的一部分施用。另外,化合物可一次、多次全部给予或在一段时间内大体上均匀地递送。还应注意,化合物的剂量可以随时间变化。
针对特定受试者的特定施用方案将部分地取决于化合物、所施用化合物的量、施用途径以及任何副作用的原因和程度。根据本公开的施用于受试者(例如,哺乳动物,如人)的化合物的量应该足以在合理的时间范围内影响期望的反应。剂量通常取决于施用的途径、时间和频率。因此,临床医生滴定剂量并改变施用途径以获得最佳治疗效果,并且常规的测距技术是本领域普通技术人员已知的。
仅仅借助于说明,方法包括视上文所提及的因素而施用例如约0.1mg/kg高达约100mg/kg的化合物或更多。在其他实施方案中,剂量范围为从1mg/kg至约100mg/kg;或5mg/kg至约100mg/kg;或10mg/kg至约100mg/kg。一些病症需要延长治疗,这可能会或可能不会导致多次施用后施用较低剂量的化合物。如果需要的话,所述化合物的剂量可以在一天中以适当的间隔分别以两个、三个、四个、五个、六个或更多个亚剂量施用,任选地以单位剂型施用。治疗期将视具体情况而定,可能持续一天到几个月。
施用生理学上可接受的组合物(诸如包括本文所公开的化合物(例如,式I的化合物)的药物组合物)的合适方法是本领域众所周知的。尽管可以使用一种以上的途径来施用化合物,但是特定的途径可以比另一种途径提供更直接和更有效的反应。根据情况,将包含所述化合物的药物组合物施用或滴入体腔中,通过皮肤或粘膜吸收,摄入、吸入和/或引入循环中。举例来说,在某些情形中,期望将包括药剂的药物组合物经口递送,通过静脉内、腹膜内、脑内(实质内)、脑室内、肌肉内、眼内、动脉内、门静脉内、病灶内、髓内、鞘内、心室内、经皮、皮下、腹膜内、鼻内、经肠、局部、舌下、尿道、阴道或直肠方式经过注射递送,通过持续释放系统或通过植入装置递送。如果需要,则化合物经由鞘内施用、脑内(实质内)施用、脑室内施用或动脉内或静脉内施用区域性地施用,从而馈入所关注区域。可替代地,组合物经由植入膜、海绵体或已将所需化合物吸收或囊封于其上的另一适当材料来局部地施用。当使用植入装置时,在一个方面,将装置植入到任何合适组织或器官中,且所需化合物的递送例如经由扩散、定时释放大丸剂或连续施用。
为了促进施用,在各个方面,将化合物调配成包含载体(例如,媒介物、佐剂或稀释剂)的生理学上可接受的组合物。所采用的特定载体受化学-物理考虑因素(诸如溶解性和与化合物的反应性不足)以及施用途径限制。生理学上可接受的载体是本领域熟知的。适用于注射用途的说明性药物形式包含无菌水溶液或分散液以及用于临时制备无菌注射溶液或分散液的无菌粉末(例如,参见美国专利号5,466,468)。可注射的调配物在以下文献中进一步描述:例如Pharmaceutics and Pharmacy Practice,J.B.Lippincott Co.,Philadelphia.Pa.,Banker和Chalmers编,第238-250页(1982)以及ASHP Handbook onInjectable Drugs,Toissel,第4版,第622-630页(1986))。在一方面,将包含所述化合物的药物组合物与包装材料一起放置在容器内,所述包装材料提供有关此类药物组合物的用途的说明书。通常,此类说明书包括描述试剂浓度的有形表达,以及在某些实施方案中重构药物组合物可能需要的赋形剂成分或稀释剂(例如,水、盐水或PBS)的相对量。
适合于肠胃外注射的组合物可以包含生理上可接受的无菌水性或非水性溶液、分散体、悬浮液或乳液,以及用于重构为无菌注射溶液或分散体的无菌粉末。合适的水性和非水性载体、稀释剂、溶剂或媒介物的实例包括水、乙醇、多元醇(丙二醇、聚乙二醇、甘油等)、其合适的混合物、植物油(诸如橄榄油)和可注射的有机酯(诸如油酸乙酯)。例如,通过使用包衣(诸如卵磷脂),通过在分散体的情况下保持所需的粒度,以及通过使用表面活性剂,可以保持适当的流动性。
这些组合物还可以含有诸如防腐剂、润湿剂、乳化剂和分散剂等佐剂。通过添加各种抗细菌和抗真菌剂(例如对羟基苯甲酸酯、氯代丁醇、苯酚、山梨酸等),可以防止微生物污染。还可能希望包含等渗剂,例如糖、氯化钠等。通过使用延迟吸收的试剂(例如单硬脂酸铝和明胶),可以延长可注射药物组合物的吸收。
用于口服施用的固体剂型包含胶囊、片剂、粉末和颗粒剂。在此类固体剂型中,将活性化合物与以下混合:至少一种惰性惯用赋形剂(或载剂),如柠檬酸钠或磷酸二钙或(a)填充剂或增量剂,例如淀粉、乳糖、蔗糖、甘露醇和硅酸;(b)粘合剂,例如羧甲纤维素、海藻酸盐、明胶、聚乙烯吡咯烷酮、蔗糖和阿拉伯胶;(c)保湿剂,例如甘油;(d)崩解剂,例如琼脂-琼脂、碳酸钙、马铃薯木薯淀粉、海藻酸、某些复杂的硅酸盐和碳酸钠;(a)溶液缓凝剂,例如石蜡;(f)吸收促进剂,例如季铵化合物;(g)湿润剂,例如鲸蜡醇和单硬脂酸甘油酯;(h)吸附剂,例如高岭土和膨润土;以及(i)润滑剂,例如滑石、硬脂酸钙、硬脂酸镁、固体聚乙二醇、月桂基硫酸钠或其混合物。在胶囊和片剂的情况下,剂型也可以包含缓冲剂。类似类型的固体组合物也可以用作使用如乳糖或乳糖以及高分子量聚乙二醇等赋形剂的软和硬填充明胶胶囊中的填充剂。
诸如片剂、糖衣丸、胶囊、丸剂和颗粒剂等固体剂型可制备有包衣和壳,诸如肠溶衣和本领域熟知的其他包衣。固体剂型也可含有遮光剂。此外,固体剂型可以是包埋组合物,使得其以延迟的方式在肠道的特定部分释放一种或多种所述活性化合物。可以使用的包埋组合物的实例是聚合物质和蜡。活性化合物也可以是微胶囊形式,任选地含有一种或多种赋形剂。
口服液体剂型包含药学上可接受的乳剂、溶液、悬浮液、糖浆和酏剂。除了活性化合物之外,液体剂型可以含有本领域常用的惰性稀释剂,如水或其他溶剂、增溶剂和乳化剂,如例如乙醇、异丙醇、碳酸乙酯、乙酸乙酯、苯甲醇、苯甲酸苄酯、丙二醇、1,3-丁二醇、二甲基甲酰胺、油,具体地为棉籽油、花生油、玉米胚芽油、橄榄油、蓖麻油和芝麻油、甘油、四氢糠醇、聚乙二醇和脱水山梨醇的脂肪酸酯,或这些物质的混合物,等等。
在特定实例中,化合物或混合物口服施用,诸如通过与蒸馏水混合。在另一个实例中,将测试化合物或混合物静脉内地施用,诸如在盐水或蒸馏水中。在一些实例中,用测试化合物治疗可以是单剂量或重复剂量。可以约每6小时、约每12小时、约每24小时(每天)、约每48小时、约每72小时或约每周一次施用测试化合物。重复剂量的治疗可以持续一段时间,例如持续约1周至12个月,诸如约1周至约6个月、或约2周至约3个月、或约1至2个月。化合物的施用也可以无限期地继续。测试化合物的剂量为从约0.1mg/kg至约400mg/kg,诸如约1mg/kg至约300mg/kg、约2mg/kg至200mg/kg、约10mg/kg至约100mg/kg、约20mg/kg至约75mg/kg、或约25mg/kg至约50mg/kg。
除了此类惰性稀释剂之外,所述组合物还可以包括佐剂,诸如润湿剂、乳化剂和悬浮剂、甜味剂、调味剂和芳香剂。除了活性化合物之外,悬浮液可以含有悬浮剂,如例如乙氧基化异硬脂醇、聚氧乙烯山梨醇和脱水山梨醇酯、微晶纤维素、偏氢氧化铝、膨润土、琼脂和黄蓍胶,或这些物质的混合物等。
用于直肠施用的组合物可以是栓剂,其可通过将本公开的化合物与合适的非刺激性赋形剂或载体(诸如可可脂、聚乙二醇或栓剂蜡)混合来制备,所述赋形剂或载体在常温下为固体,但在体温下为液体,因此在直肠或阴道腔中熔化并释放活性成分。
可以将本发明方法中使用的组合物调配成胶束或脂质体。这种调配物包括空间稳定胶束或脂质体和空间稳定混合胶束或脂质体。这类调配物可有助于细胞内递送,因为已知脂质体和胶束的脂质双层与细胞的质膜融合且将所截留内含物递送到细胞内隔室中。
在调配后,将以与剂量调配物相容的方式并以治疗上有效的量施用溶液。可以以各种剂型(如可注射溶液、药物释放胶囊等)容易地施用调配物。例如,对于在水溶液中的肠胃外施用,如果需要,所述溶液应当被适当地缓冲,并且液体稀释剂首先用足够的生理盐水或葡萄糖进行等渗。这些特定的水溶液特别适合于静脉内、肌肉内、皮下和腹膜内施用。
给药频率将取决于药剂的药物动力学参数和施用途径。根据施用途径和所需的剂量,本领域技术人员将确定最优药物调配物。参见例如Remington’s PharmaceuticalSciences,第18版(1990)Mack Publishing Co.,Easton,PA,第1435-1712页,其以引用方式并入本文。此类调配物可能影响所给予的药剂的物理状态、稳定性、活体内释放速率和活体内清除速率。取决于施用途径,可以根据体重、体表面积或器官大小计算合适的剂量。本领域的一般技术人员在无需过度实验的情况下即可常规地进行对确定适当治疗剂量所需的计算的进一步优化,尤其根据本文所公开的剂量信息和分析,以及在动物或人类临床试验中观察到的药物动力学数据。
待使用的精确剂量取决于若干因素,包括宿主(不管是在兽医学或人类医学中)、所治疗的病症(例如疾病或病症)的性质和严重程度、施用模式和所使用的特定活性物质。化合物可以通过任何常规途径,确切地说经肠,并且在一个方面,以片剂或胶囊形式口服进行施用。所施用的化合物可以视情况而定呈游离形式或药学上可接受的盐形式,以用作药物,特别是用于预防性或治疗性地治疗目标疾病。这些措施将减缓疾病病况的进展速率并辅助身体以自然方式逆转进展方向。
应了解,本发明的药物组合物和治疗方法可用于人类医学和兽医学领域。因此,在一个方面,待治疗的受试者为哺乳动物。在另一个方面,哺乳动物是人类。
在禁止对在人体上实践的方法授予专利权的权限中,将组合物“施用”于人类受试者的含义应限于开出一种人类受试者将通过任何技术(例如,口服、吸入、局部施用、注射、插入等)自我施用的受控物质。旨在与定义可获专利的主题的法律或法规相一致的最广泛的合理解释。在不禁止对在人体上实践的方法授予专利权的权限中,“施用”组合物包括在人体上实践的方法以及还有前述活动两者。
使用方法
这样,本文所述的化合物调节PDE4A、PDE4B或PDE4D,例如,所述化合物触发或抑制PDE4A、PDE4B或PDE4D介导的生物活性,诸如调节细胞内cAMP浓度。在各种实施方案中,所述化合物是PDE4抑制剂,例如,所述化合物改变、抑制或阻止由PDE4介导的一种或多种生物活性。在一些实施方案中,所述化合物对一种PDE4同种型显示出比其他PDE4同种型更高的选择性。在一些实施方案中,所述化合物对PDE4B和/或PDE4D具有选择性。在一些实施方案中,所述化合物对PDE4B的选择性高于其他PDE4同种型。在一些实施方案中,所述化合物对PDE4D的选择性高于其他PDE4同种型。
本文所公开的化合物对于治疗由PDE4的异常表达或活性引起的疾病或障碍特别有利。与PDE4的异常表达或活性相关的疾病或障碍的发生率和/或强度可以通过施用本文所公开的化合物来降低。
PDE4的异常表达或活性与许多不利条件相关。这些包括例如癌症、神经退行性疾病(例如,阿尔茨海默病、帕金森病或ALS)、多发性硬化症、慢性创伤性脑病(CTE)、创伤性脑损伤(TBI)、巴滕病(Batten Disease)(包括但不限于婴幼儿发作的CLN1疾病、青少年发作的CLN1疾病、晚期婴幼儿发作的CLN2疾病、较晚期发作的CLN2疾病、青少年发作的CLN3疾病、成人发作的CLN4疾病、晚期婴幼儿发作的CLN5疾病变异型、晚期婴幼儿发作的CLN6疾病变异型、成人发作的CLN6疾病、晚期婴幼儿发作的CLN7疾病变异型、CLN8疾病或CLN10疾病)、成瘾、自身免疫性障碍、炎性障碍、慢性阻塞性肺病(COPD)、抑郁症和抑郁障碍、焦虑障碍、精神分裂症、注意力缺陷多动症、哮喘、类风湿性关节炎、卒中、自闭症、亨廷顿病、特应性皮炎、银屑病性关节炎和斑块状银屑病。
所公开的使用方法中考虑的癌症包括但不限于卵巢癌、乳腺癌、前列腺癌、结肠癌、肝癌、脑癌、肾癌、肺癌、白血病、淋巴瘤、多发性骨髓瘤、甲状腺癌、骨癌、食管癌和胰腺癌。
式I的化合物和如表A中所公开的化合物显示出对PDE4抑制(例如,PDE4B抑制)和/或对巨噬细胞促炎症活性的抑制的高选择性。这样,本文所公开的化合物可用作炎性疾病的治疗剂。在所公开的使用方法中考虑的炎性疾病包括但不限于关节炎、类风湿性关节炎、动脉粥样硬化、多发性硬化症、哮喘、炎性肠病、克罗恩病、胃炎、胰腺炎、全身性炎性反应综合征、和慢性炎性脱髓鞘性多神经根神经炎。在一些情况下,本文所述的化合物可以用于减少或预防患有例如慢性阻塞性肺病(COPD)、哮喘、类风湿性关节炎、银屑病或银屑病性关节炎的人类受试者的炎性疾病。
所公开的使用方法中考虑的成瘾包括但不限于可卡因成瘾、甲基苯丙胺成瘾、海洛因成瘾和酒精成瘾。在一些实施方案中,成瘾是可卡因成瘾。
PDE4选择性抑制剂先前已经用于多种疾病状态,例如,作为治疗COPD和银屑病性关节炎的治疗策略。然而,PDE4抑制剂疗法已经受到诸如恶心和呕吐等剂量限制性副作用的阻碍。假定这些副作用与PDE4D同种型的抑制部分相关。除了PDE4D之外的PDE4同种型的选择性抑制(例如PDE4B的选择性抑制)可能是治疗或预防炎性疾病的有用策略,具有很少或没有剂量限制性副作用。
所公开的方法包括用于治疗能够通过抑制PDE4来调节的疾病或障碍(例如炎性疾病或成瘾)的方法,所述方法包括向受试者施用抑制PDE4的化合物。在一些实例中,本文所公开的方法包括使用减少TNFα产生的化合物。本文还提供了调节细胞中的PDE4(例如,PDE4B和/或PDE4D,特别是PDE4B)的方法。在一些实施方案中,所述方法涉及使细胞与本文所公开的化合物(例如,式I的化合物或如表A中所示的化合物)接触。细胞的接触可以在体外或在体内发生。在一些情况下,细胞的接触在体外发生。在其他情况下,细胞的接触在体内发生。因此,本公开包括将一种或多种本文所述的化合物施用至有需要的受试者(诸如人)。在一些实施方案中,受试者患有与PDE4的异常活性相关的疾病或障碍,如上所述。
将理解的是,本文所述的用于治疗癌症的方法和组合物(包括施用抑制PDE4的化合物)适用于治疗与PDE4活性有关的其他疾病(诸如上述那些)的方法。评估测试化合物用于在细胞、适当的动物模型或受影响的受试者中治疗此类疾病的有效性的方法是本领域技术人员已知的。
本文还提供了本文所公开的化合物在制备用于治疗与PDE4活性有关的疾病或障碍的药物中的用途。
通过参考以下实例,将更容易理解本文的公开内容。
实施例
提供以下实施例用于说明,且并不旨在限制本公开的范围。
式I化合物的合成程序
一般实验程序。所有试剂均购自商业来源,并且无需进一步纯化即可使用。
实施例1:式(I)的化合物
化合物1-15的一般反应方案:
1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-甲酸甲酯(B)。在反应烧瓶中装入A(0.055g;0.27mmol)、3-氯-4-甲基苯基硼酸(0.093g;0.54mmol)、乙酸铜(0.074g;0.41mmol)、CH2Cl2(5mL)和然后吡啶(0.088mL;1.1mmol)。将反应混合物在室温下搅拌过夜。将混合物通过硅藻土短垫过滤。将滤液浓缩并在硅胶上纯化(用0-50%EtOAc/己烷、然后用0-5%MeOH/二氯甲烷洗脱),以给出所需的产物。LCMS:RT=2.92min,在215和254nm处>98%,m/z=321.0[M+H]+;1H NMR(499MHz,DMSO-d6)δ8.43(d,J=4.3Hz,1H),8.26(d,J=7.8Hz,1H),7.83(s,1H),7.78(d,J=8.5Hz,1H),7.51(s,1H),7.46(d,J=8.9Hz,1H),7.37–7.29(m,1H),3.77(s,3H)。
1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-甲酸(C)。向B(0.12g;0.36mmol)在MeOH(6.0mL)中的溶液里添加NaOH(0.36mL;0.72mmol)在H2O(1.0mL)中的预溶解溶液。将反应混合物在室温下搅拌过夜。然后将反应混合物在真空中浓缩并用1N HCl(pH≈4)酸化。用EtOAc萃取水性混合物,干燥(MgSO4)并浓缩,以给出相应的酸衍生物,其无需进一步纯化即可使用。LCMS:RT=2.560min,在215和254nm处>98%,m/z=306.9[M+H]+;1H NMR(499MHz,DMSO-d6)δ13.19(s,1H),8.41(d,J=4.5Hz,1H),8.24(d,J=7.9Hz,1H),7.81(d,J=2.5Hz,1H),7.77(d,J=8.5Hz,1H),7.45(q,J=3.3,2.0Hz,2H),7.30(dd,J=8.0,4.6Hz,1H)。
一般胺偶联程序:
在配备有磁力搅拌棒的小瓶和螺帽小瓶中装入C(0.10g;0.60mmol)、胺(0.44mL;3.1mmol)、二异丙基乙胺(0.047mL;0.67mmol)、CH2Cl2(10.0mL),并将其搅拌大约5分钟。添加丙基膦酸酐(T3P,在乙酸乙酯中50wt.%)(0.55mL;9.6mmol),并且将反应搅拌直至LCMS分析表明起始材料被显著消耗(30min)。将粗反应混合物用水(15mL)稀释,并将混合物用二氯甲烷(4x15mL)萃取。将合并的有机层经Na2SO4干燥,并且在减压下蒸发以给出粗产物,将所述粗产物通过硅胶快速柱色谱以在己烷中的0-100%乙酸乙酯的梯度纯化(使用硅胶/DCM干法加载),以给出对应的酰胺产物1-15。
N-环丙基-1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(1)。LCMS:RT=2.597min,在215和254nm处>98%,m/z=346.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.44(d,J=4.7Hz,1H),8.02(d,J=7.8Hz,1H),7.67–7.48(m,2H),7.33(d,J=8.5Hz,1H),7.21(dd,J=7.8,4.3Hz,1H),6.97(s,1H),6.25(s,1H),2.82(dq,J=7.4,4.0Hz,1H),0.86(d,J=6.8Hz,2H),0.62–0.51(m,2H).13C NMR(126MHz,CDCl3)δ162.16,149.59,146.62,136.16,133.04,132.85,132.42,130.58,129.80,127.28,119.07,118.10,104.54,22.85,6.93。
N-环丁基-1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(2)。LCMS:RT=2.771,在215和254nm处>98%,m/z=360.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.40(t,J=12.9Hz,1H),8.03(d,J=7.8Hz,1H),7.57(d,J=8.5Hz,1H),7.52(d,J=14.7Hz,1H),7.30(d,J=8.1Hz,1H),7.20(dd,J=7.5,4.7Hz,1H),7.05(d,J=23.5Hz,1H),4.46–4.38(m,1H),2.35(d,J=8.0Hz,2H),1.94–1.84(m,2H),1.74(dd,J=11.1,5.2Hz,2H)。13C NMR(126MHz,CDCl3)δ159.98,149.12,146.04,136.05,133.42,132.78,132.36,130.96,130.57,129.67,127.20,118.01,104.66,44.84,30.89,15.13。
1-(3,4-二氯苯基)-N-(3-氟环丁基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(3)。LCMS:RT=2.696min,在215和254nm处>98%,m/z=378.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.51–8.37(m,1H),8.05(dd,J=8.2,1.6Hz,1H),7.62(d,J=8.4Hz,1H),7.56(d,J=2.4Hz,1H),7.34(dd,J=8.4,2.4Hz,1H),7.23(dd,J=7.9,4.6Hz,1H),7.03(s,1H),6.19(s,1H),5.22(ddt,J=55.9,6.5,3.1Hz,1H),4.64(dt,J=8.6,6.0Hz,1H),2.72(dddt,J=17.8,12.0,8.2,3.7Hz,2H),2.39(ddt,J=20.4,13.4,6.0Hz,2H)。13C NMR(126MHz,CDCl3)δ160.55,149.64,146.82,136.06,132.95,132.54,130.64,130.62,129.75,127.21,118.99,118.20,104.82,87.23,85.63,41.77,38.30,38.12。
1-(3,4-二氯苯基)-N-(3,3-二氟环丁基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(4)。LCMS:RT=2.777min,在215和254nm处>98%,m/z=396.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(dd,J=4.5,1.6Hz,1H),8.06(dd,J=7.9,1.7Hz,1H),7.62(d,J=8.4Hz,1H),7.55(d,J=2.3Hz,1H),7.33(dd,J=8.3,2.3Hz,1H),7.24(dd,J=7.9,4.6Hz,1H),7.07(s,1H),6.40–6.24(m,1H),4.40(td,J=7.6,6.7,3.7Hz,1H),3.09(ddt,J=11.7,8.5,2.9Hz,2H),2.63–2.44(m,2H)。13C NMR(126MHz,CDCl3)δ160.70,149.68,146.98,135.98,133.00,132.68,132.30,130.78,130.78,130.67,129.81,127.27,118.95,118.27,105.09,53.43,43.33,43.14,42.96,35.36,35.29,35.24,35.17。
1-(3,4-二氯苯基)-N-(呋喃-2-基甲基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(5)。LCMS:RT=2.744min,在215和254nm处>98%,m/z=386.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.43(dd,J=4.7,1.6Hz,1H),8.00(dt,J=8.1,1.3Hz,1H),7.64–7.49(m,2H),7.29(dd,J=8.6,2.4Hz,1H),7.20(dd,J=7.9,4.7Hz,1H),7.02(s,1H),6.60(d,J=5.6Hz,1H),6.38–6.28(m,1H),6.24(d,J=3.2Hz,1H),4.54(d,J=5.6Hz,2H)。13C NMR(126MHz,CDCl3)δ160.62,150.54,149.65,146.71,142.42,136.12,132.86,132.81,132.33,130.63,130.55,129.72,127.19,119.06,118.13,110.57,107.88,105.09,36.61。
氮杂环丁烷-1-基(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)甲酮(6)。LCMS:RT=2.631min,在215和254nm处>98%,m/z=346.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.44(dd,J=4.6,1.5Hz,1H),8.04(dd,J=7.9,1.6Hz,1H),7.67–7.52(m,2H),7.34(dd,J=8.5,2.4Hz,1H),7.22(dd,J=7.9,4.7Hz,1H),6.89(s,1H),4.50–4.10(m,5H),2.39(p,J=7.8Hz,2H)。13C NMR(126MHz,CDCl3)δ161.83,149.11,146.36,136.42,132.71,132.08,130.94,130.46,130.44,129.47,126.99,119.32,117.93,105.51,16.05。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(7)。LCMS:RT=2.636,在215和254nm处>98%,m/z=364.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(d,J=4.6Hz,1H),8.06(dd,J=7.8,1.7Hz,1H),7.71–7.53(m,2H),7.32(dd,J=8.4,2.4Hz,1H),7.23(dd,J=7.9,4.7Hz,1H),6.91(s,1H),5.40(ddq,J=56.6,6.7,3.4Hz,1H),4.52(d,J=37.9Hz,4H)。13C NMR(126MHz,CDCl3)δ162.08,149.34,146.91,136.23,132.79,132.31,130.62,130.51,130.16,129.60,127.09,119.09,118.15,106.18,82.84,81.21,29.72。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3,3-二氟氮杂环丁烷-1-基)甲酮(8)。LCMS:RT=2.764min,在215和254nm处>98%,m/z=382.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.48(dd,J=4.8,1.6Hz,1H),8.07(dd,J=7.9,1.6Hz,1H),7.67–7.52(m,2H),7.36–7.21(m,2H),6.93(s,1H),4.58(s,4H)。13C NMR(126MHz,CDCl3)δ162.13,162.10,162.07,149.48,147.34,136.08,132.85,132.49,130.81,130.55,129.73,129.51,127.17,118.94,118.33,117.35,115.17,112.98,106.75。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3,3-二氟氮杂环丁烷-1-基)甲酮(9)。LCMS:RT=2.830min,在215和254nm处>98%,m/z=414.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(dd,J=4.6,1.7Hz,1H),8.05(dd,J=7.9,1.7Hz,1H),7.64–7.54(m,2H),7.38–7.27(m,1H),7.23(dd,J=7.9,4.7Hz,1H),6.92(s,1H),4.61–4.14(m,4H),3.37(dtd,J=14.1,8.7,5.3Hz,1H).13C NMR(126MHz,CDCl3)δ162.11,149.31,146.98,136.14,132.81,132.29,130.70,130.53,129.64,129.52,127.00,119.10,118.23,106.25,51.89,48.00,32.98,32.73,32.47,32.21。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(1-氧杂-6-氮杂螺[3.5]壬-6-基)甲酮(10)。LCMS:RT=2.685min,在215和254nm处>98%,m/z=416.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.52–8.36(m,1H),8.03(d,J=7.7Hz,1H),7.75(d,J=90.1Hz,1H),7.64–7.40(m,2H),7.22(dd,J=7.9,4.7Hz,1H),6.80(dd,J=30.8,9.8Hz,1H),4.79–4.44(m,2H),4.45–4.06(m,2H),3.42(ddd,J=60.5,22.2,10.6Hz,2H),3.26–2.95(m,1H),2.50–2.20(m,2H),2.07–1.53(m,4H)。13C NMR(126MHz,CDCl3)δ162.47,145.52,135.72,132.96,131.63,130.72,130.10,128.47,126.00,119.63,117.94,104.13,103.45,82.26,65.27,64.56,56.68,36.48,30.20,20.67。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(1,1-二氧化硫代吗啉代)甲酮(11)。LCMS:RT=2.505min,在215和254nm处>98%,m/z=424.0[M+H]+;1H NMR(499MHz,DMSO-d6)δ8.40(dd,J=4.6,1.6Hz,1H),8.20(dd,J=7.9,1.6Hz,1H),7.89(d,J=2.4Hz,1H),7.78(d,J=8.6Hz,1H),7.43(dd,J=8.6,2.5Hz,1H),7.32(dd,J=7.9,4.6Hz,1H),4.04(s,4H),3.27(t,J=5.3Hz,4H)。13C NMR(126MHz,DMSO-d6)δ161.73,148.39,145.99,136.52,131.99,131.51,131.33,131.10,130.37,129.17,127.52,119.46,118.66,105.00,51.33,40.59,40.42,40.26,40.09。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(7-氮杂螺[3.5]壬-7-基)甲酮(12)。LCMS:RT=3.208min,在215和254nm处>98%,m/z=414.1[M+H]+;1H NMR(499MHz,CDCl3)δ8.40(d,J=5.3Hz,1H),8.00(d,J=7.9Hz,1H),7.69(d,J=2.4Hz,1H),7.58(d,J=8.6Hz,1H),7.44(dd,J=8.6,2.4Hz,1H),7.20(dd,J=7.9,4.7Hz,1H),6.74(s,1H),3.46(d,J=127.2Hz,4H),1.91(q,J=7.9,6.9Hz,2H),1.78(dt,J=16.7,7.9Hz,4H),1.59(s,2H),1.37(s,2H)。13C NMR(126MHz,CDCl3)δ161.84,148.02,145.31,135.79,133.52,132.97,131.63,130.75,130.04,129.96,128.38,125.86,119.76,117.94,103.15,44.32,39.18,37.83,36.85,31.35,15.01。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(6-氮杂螺[3.4]辛-6-基)甲酮(13)。LCMS:RT=3.024min,在215和254nm处>98%,m/z=400.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.42(t,J=4.9Hz,1H),8.02(t,J=7.9Hz,1H),7.66(d,J=2.4Hz,1H),7.57(d,J=8.5Hz,1H),7.43(dd,J=8.7,2.4Hz,1H),7.22(dd,J=8.1,4.5Hz,1H),6.84(d,J=9.3Hz,1H),3.57(t,J=7.1Hz,1H),3.41(d,J=2.6Hz,2H),2.06–1.79(m,9H)。13C NMR(126MHz,CDCl3)δ161.55,145.66,136.11,134.13,132.90,131.62,130.67,130.15,128.42,125.92,119.67,117.95,103.77,103.71,59.79,57.23,47.19,45.12,44.73,43.56,37.62,36.02,30.92,30.56,15.93。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(6-氮杂螺[3.4]辛-6-基)甲酮(14)。将2-(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-羰基)-2,7-二氮杂螺[4.5]癸烷-7-甲酸叔丁酯(0.035g,0.066mmol)在CH2Cl2(5.0mL)中的溶液用TFA(0.65mL)处理12h。在真空中除去溶剂,并且将粗产物溶解于10%MeOH/CH2Cl2中,用饱和水性NaHCO3、盐水洗涤,干燥(MgSO4),并浓缩。将粗产物在硅胶上纯化(用0-15%MeOH/DCM洗脱),以给出所需产物化合物14。LCMS:RT=1.996min,在215和254nm处>98%,m/z=429.1[M+H]+;1H NMR(499MHz,CDCl3)δ8.40(dd,J=11.1,4.7Hz,1H),8.00(d,J=7.9Hz,1H),7.70–7.52(m,2H),7.40(ddd,J=25.0,8.5,2.5Hz,1H),7.19(td,J=8.7,4.7Hz,1H),6.88(d,J=21.0Hz,1H),4.38(s,3H),3.61(dtt,J=24.3,15.2,8.8Hz,3H),3.40(dd,J=33.6,12.2Hz,1H),3.14–2.64(m,4H),1.95(ddt,J=52.3,13.5,6.9Hz,1H),1.85–1.60(m,2H)。13C NMR(126MHz,CDCl3)δ148.30,145.77,136.21,133.70,132.75,131.55,130.70,130.28,128.52,126.16,119.51,117.92,104.21,57.15,54.89,46.86,44.17,35.18,33.79,32.82。
(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(2,7-二氮杂螺[3.5]壬-2-基)甲酮(15)。将2-(1-(3,4-二氯苯基)-1H-吡咯并[2,3-b]吡啶-2-羰基)-2,7-二氮杂螺[3.5]壬烷-7-甲酸叔丁酯(0.055g,0.087mmol)在CH2Cl2(5.0mL)中的溶液用TFA(0.65mL)处理12h。在真空中除去溶剂,并且将粗产物溶解于10%MeOH/CH2Cl2中,用饱和水性NaHCO3、盐水洗涤,干燥(MgSO4),并浓缩。将粗产物在硅胶上纯化(用0-15%MeOH/DCM洗脱),以给出所需产物化合物15。LCMS:RT=1.939min,在215和254nm处>98%,m/z=415.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.43(d,J=4.6Hz,1H),8.02(d,J=7.9Hz,1H),7.67–7.51(m,2H),7.33(dd,J=8.5,2.4Hz,1H),7.20(dd,J=8.0,4.6Hz,1H),6.90(s,1H),4.01(s,2H),3.84(s,3H),2.88(d,J=8.0Hz,4H),1.90–1.70(m,4H)。13C NMR(126MHz,CDCl3)δ162.20,149.14,146.62,136.45,132.65,132.02,130.63,130.49,130.47,129.45,127.00,119.22,118.08,105.85,62.70,58.40,50.55,48.65,42.61,34.91,34.30。
化合物16-43的通用程序。
1-(3-氯-4-甲基苯基)-N-环丙基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(16)。LCMS:RT=1.939min,在215和254nm处>98%,m/z=415.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(d,J=4.0Hz,1H),8.06(dd,J=7.8,1.6Hz,1H),7.55(t,J=8.2Hz,1H),7.33(dd,J=9.4,2.4Hz,1H),7.22(ddd,J=11.3,8.4,3.8Hz,2H),6.92(s,1H),5.39(ddq,J=56.6,6.4,3.2Hz,1H),4.68–4.16(m,5H)。13C NMR(126MHz,CDCl3)δ162.12,162.10,158.77,156.77,149.26,146.86,136.60,136.53,130.64,130.56,130.23,124.07,124.04,120.91,120.77,119.15,118.17,116.45,116.27,106.22,99.98,82.82,81.18,29.72。
1-(3-氯-4-甲基苯基)-N-环丁基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(17)。LCMS:RT=2.723min,在215和254nm处>98%,m/z=340.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.39(d,J=4.2Hz,1H),8.03(d,J=7.8Hz,1H),7.43(s,1H),7.39(d,J=8.0Hz,1H),7.29–7.24(m,2H),7.18(dd,J=7.7,4.8Hz,1H),7.06(s,1H),4.46–4.39(m,1H),2.32(m,2H),2.21(s,3H),1.83–1.75(m,2H),1.70(dt,J=11.3,4.6Hz,2H)。13C NMR(126MHz,CDCl3)δ159.99,149.28,145.99,136.51,135.19,134.67,133.67,131.27,130.83,128.35,126.13,119.32,117.74,104.91,44.77,30.92,19.85,15.11。
1-(4-氯-3-甲基苯基)-N-(3-氟环丁基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(18)。LCMS:RT=2.644min,在215和254nm处>98%,m/z=358.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.49–8.40(m,1H),8.08–7.98(m,1H),7.49–7.38(m,2H),7.29(d,J=2.2Hz,1H),7.24–7.14(m,1H),7.07(s,1H),6.08(d,J=6.2Hz,1H),5.13(dq,J=56.1,4.0,2.5Hz,1H),4.65–4.53(m,1H),2.75–2.58(m,2H),2.47(s,3H),2.28(td,J=14.0,7.0Hz,2H)。13C NMR(126MHz,CDCl3)δ160.58,146.51,141.19,136.62,135.93,135.21,134.83,133.81,131.39,130.73,128.45,126.18,117.90,105.27,41.50,38.27,38.09,20.60,19.94。
(1-(3-氯-4-甲基苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(20)。LCMS:RT=2.588min,在215和254nm处>98%,m/z=344.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(s,1H),8.05(d,J=8.0Hz,1H),7.47(s,1H),7.39(d,J=7.9Hz,1H),7.27(s,1H),7.22(d,J=7.1Hz,1H),6.90(s,1H),5.37(dtt,J=56.5,6.4,3.5Hz,1H),4.40(d,J=89.2Hz,5H),2.46(s,3H)。13C NMR(126MHz,CDCl3)δ162.43,146.71,136.08,135.47,134.44,131.07,130.57,130.42,128.02,125.80,119.07,117.83,105.63,82.85,81.21,29.71,19.93。
1-(4-氯-3,5-二氟苯基)-N-环丙基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(21)。LCMS:RT=2.572min,在215和254nm处>98%,m/z=348.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.50–8.38(m,1H),8.02(dd,J=7.7,1.6Hz,1H),7.23(dd,J=7.9,4.6Hz,1H),7.17–7.07(m,2H),6.95(s,1H),6.33(s,1H),2.84(dq,J=7.2,3.6Hz,1H),0.88(d,J=6.8Hz,2H),0.66–0.57(m,2H)。13C NMR(126MHz,CDCl3)δ162.02,159.60,159.57,157.61,157.57,149.54,146.80,136.31,132.84,130.65,119.06,118.32,112.40,112.21,104.65,22.88,6.91。
1-(4-氯-3,5-二氟苯基)-N-环丁基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(22)。LCMS:RT=2.742min,在215和254nm处>98%,m/z=362.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.45(s,1H),8.04(d,J=7.8Hz,1H),7.24(dd,J=7.6,4.6Hz,1H),7.14(d,J=7.4Hz,2H),7.00(s,1H),6.28(d,J=6.3Hz,1H),4.56–4.45(m,1H),2.47–2.39(m,2H),2.00–1.91(m,3H),1.83–1.76(m,2H)。13C NMR(126MHz,CDCl3)δ159.67,159.61,159.57,157.61,157.57,149.37,146.54,136.25,133.18,130.72,118.31,112.33,112.12,104.59,45.05,31.18,15.18。
(1-(4-氯-3,5-二氟苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(25)。LCMS:RT=2.611min,在215和254nm处>98%,m/z=366.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.47(dd,J=4.7,1.6Hz,1H),8.06(dd,J=7.9,1.6Hz,1H),7.25(dd,J=8.0,4.7Hz,1H),7.20–7.08(m,2H),6.92(s,1H),5.43(dtt,J=56.4,6.3,3.4Hz,1H),4.50(s,4H)。13C NMR(126MHz,CDCl3)δ161.74,159.58,159.54,157.58,157.54,149.22,147.04,136.42,136.32,130.78,129.97,119.15,118.39,112.24,112.22,112.19,112.07,112.04,112.02,106.63,82.82,81.18,29.71。
1-(4-氰基-3,5-二氟苯基)-N-环丙基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(26)。LCMS:RT=2.444min,在215和254nm处>98%,m/z=339.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.52–8.40(m,1H),8.06(d,J=7.6Hz,1H),7.28(s,3H),7.23(d,J=9.0Hz,2H),7.00(s,1H),6.41(s,1H),2.87(s,1H),0.92(d,J=6.8Hz,2H),0.75–0.59(m,2H)。13C NMR(126MHz,CDCl3)δ163.89,161.88,149.27,147.02,132.49,130.94,119.34,118.93,112.10,111.92,109.02,105.95,22.99,6.97。
1-(4-氰基-3,5-二氟苯基)-N-环丁基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(27)。LCMS:RT=2.612min,在215和254nm处>98%,m/z=353.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.45(d,J=4.1Hz,1H),8.08(dd,J=19.3,7.8Hz,1H),7.30–7.26(m,1H),7.23(d,J=8.5Hz,2H),7.04(s,1H),6.41(s,1H),4.50(dt,J=15.8,7.9Hz,1H),2.54–2.38(m,2H),2.08–1.97(m,2H),1.81(dt,J=18.2,8.9Hz,3H)。13C NMR(126MHz,CDCl3)δ163.88,161.80,159.52,149.11,146.78,143.29,132.86,130.99,119.47,118.90,111.95,111.80,109.05,105.85,45.18,31.14,15.21。
1-(4-氰基-3,5-二氟苯基)-N-(3-氟环丁基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(28)。LCMS:RT=2.542min,在215和254nm处>98%,m/z=371.1[M+H]+;1H NMR(499MHz,DMSO-d6)δ9.08(d,J=6.9Hz,1H),8.41(d,J=4.5Hz,1H),8.26(d,J=7.8Hz,1H),7.63(d,J=9.6Hz,2H),7.41(s,1H),7.34(dd,J=7.9,4.7Hz,1H),5.29(dddd,J=56.7,10.3,6.4,4.0Hz,1H),4.44(dtd,J=11.4,7.2,5.7,2.9Hz,1H),4.05(s,4H)。13C NMR(126MHz,DMSO-d6)δ163.25,163.20,161.22,161.16,160.16,160.07,149.13,146.67,144.69,133.35,131.61,119.61,119.21,113.05,112.85,109.91,107.09,89.88,88.12,86.54,48.19,48.02,47.85,40.99,37.77,37.60,31.11。
1-(4-氰基-3,5-二氟苯基)-N-(3,3-二氟环丁基)-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(29)。LCMS:RT=2.623min,在215和254nm处>98%,m/z=389.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.49(s,1H),8.09(d,J=7.8Hz,1H),7.36–7.29(m,1H),7.22(d,J=8.7Hz,2H),7.11(s,1H),6.59–6.38(m,1H),4.42(d,J=9.8Hz,1H),3.24–3.00(m,2H),2.63(td,J=13.7,5.9Hz,2H)。163.94,161.86,160.42,149.37,143.20,131.81,131.12,119.14,112.11,111.93,108.98,106.57,43.29,43.11,42.92,35.58,35.51,35.46,35.39。
2,6-二氟-4-(2-(3-氟氮杂环丁烷-1-羰基)-1H-吡咯并[2,3-b]吡啶-1-基)苯甲腈(30)。LCMS:RT=2.490min,在215和254nm处>98%,m/z=357.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.47(dd,J=4.9,1.6Hz,1H),8.08(dd,J=8.0,1.6Hz,1H),7.36–7.26(m,1H),7.26–7.20(m,2H),6.97(s,1H),5.46(ddt,J=56.3,6.1,2.9Hz,1H),4.82–4.20(m,3H)。13CNMR(126MHz,CDCl3)δ163.90,163.85,161.82,161.77,161.29,161.27,148.97,147.25,143.35,131.07,129.65,119.43,118.97,112.00,111.97,111.83,111.80,109.00,107.94,91.41,82.80,81.16,29.72。
1-(4-氯苯基)-N-环丙基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(31)。LCMS:RT=2.404min,在215和254nm处>98%,m/z=312.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.44(dd,J=4.7,1.6Hz,1H),8.02(dd,J=8.0,1.6Hz,1H),7.51(d,J=8.2Hz,2H),7.40(d,J=8.3Hz,2H),7.20(dd,J=7.9,4.7Hz,1H),7.02(s,1H),6.09(s,1H),2.80(dq,J=7.4,3.7Hz,1H),0.89–0.78(m,2H),0.56–0.44(m,2H)。13C NMR(126MHz,CDCl3)δ162.26,149.70,146.53,135.28,134.13,133.26,130.47,129.37,129.08,119.07,117.87,104.75,77.29,77.23,77.03,76.78,22.81,6.90。
1-(4-氯苯基)-N-环丁基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(32)。LCMS:RT=2.582min,在215和254nm处>98%,m/z=326.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.44(d,J=4.2Hz,1H),8.04(d,J=7.8Hz,1H),7.52(d,J=8.3Hz,2H),7.41(d,J=8.4Hz,2H),7.27(d,J=13.4Hz,1H),7.20(dd,J=7.7,4.7Hz,1H),7.06(s,1H),6.06(d,J=6.1Hz,1H),4.57–4.42(m,1H),2.37(d,J=6.5Hz,2H),1.88–1.78(m,3H),1.78–1.70(m,3H)。13C NMR(126MHz,CDCl3)δ159.88,149.57,146.32,135.26,134.17,133.56,130.54,129.41,129.09,119.19,117.84,104.77,44.88,31.17,15.14。
1-(4-氯-3-氟苯基)-N-环丙基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(33)。LCMS:RT=2.482min,在215和254nm处>98%,m/z=330.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.45(s,1H),8.03(d,J=7.8Hz,1H),7.54(t,J=7.6Hz,1H),7.37–7.13(m,3H),6.98(s,1H),6.25(s,1H),2.82(s,1H),0.86(d,J=7.1Hz,2H),0.58(s,2H)。13C NMR(126MHz,CDCl3)δ162.18,158.82,156.84,149.52,146.56,136.50,136.43,133.05,130.64,124.34,119.10,118.12,116.72,116.54,104.62,22.86,6.92。
1-(4-氯-3-氟苯基)-N-环丁基-1H-吡咯并[2,3-b]吡啶-2-甲酰胺(34)。LCMS:RT=2.643min,在215和254nm处>98%,m/z=344.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.45(d,J=3.3Hz,1H),8.06(t,J=12.3Hz,1H),7.55(t,J=8.2Hz,1H),7.31(d,J=9.2Hz,1H),7.23(t,J=6.4Hz,2H),6.19(d,J=5.8Hz,1H),4.49(dq,J=16.0,8.0Hz,1H),2.45–2.35(m,2H),1.96–1.86(m,2H),1.82–1.71(m,2H)。13C NMR(126MHz,CDCl3)δ159.79,156.84,149.41,146.39,133.39,130.66,130.66,124.29,118.08,116.68,116.50,116.41,104.55,77.28,77.02,76.77,44.97,31.19,15.27。
(1-(4-氯-3-氟苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(37)。LCMS:RT=2.521min,在215和254nm处>98%,m/z=348.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(d,J=4.0Hz,1H),8.06(dd,J=7.8,1.6Hz,1H),7.55(t,J=8.2Hz,1H),7.33(dd,J=9.4,2.4Hz,1H),7.22(ddd,J=11.3,8.4,3.8Hz,2H),6.92(s,1H),5.39(ddq,J=56.6,6.4,3.2Hz,1H),4.68–4.16(m,5H)。13C NMR(126MHz,CDCl3)δ162.12,162.10,158.77,156.77,149.26,146.86,136.60,136.53,130.64,130.56,130.23,124.07,124.04,120.91,120.77,119.15,118.17,116.45,116.27,106.22,99.98,82.82,81.18,29.72。
(3-氟氮杂环丁烷-1-基)(1-(4-甲氧基苯基)-1H-吡咯并[2,3-b]吡啶-2-基)甲酮(38)。LCMS:RT=2.274min,在215和254nm处>98%,m/z=326.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(dd,J=4.8,1.6Hz,1H),8.04(dd,J=8.0,1.7Hz,1H),7.45–7.35(m,2H),7.19(dd,J=7.9,4.7Hz,1H),7.10–7.02(m,2H),6.90(s,1H),5.32(dtd,J=56.5,6.2,3.2Hz,1H),4.42(ddd,J=18.9,12.0,6.7Hz,2H),4.35–4.16(m,2H),3.89(s,3H)。13C NMR(126MHz,CDCl3)δ162.95,159.06,149.45,146.40,131.08,130.30,129.49,128.39,119.10,117.55,114.35,105.02,82.81,81.18,55.47。
(1-(5-氯-6-甲氧基吡啶-3-基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(39)。LCMS:RT=2.460min,在215和254nm处>98%,m/z=361.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(d,J=5.0Hz,1H),8.11(d,J=2.3Hz,1H),8.06(d,J=8.0Hz,1H),7.82(d,J=2.3Hz,1H),7.23(dd,J=7.9,4.5Hz,1H),6.90(s,1H),5.41(ddt,J=56.4,6.1,3.0Hz,1H),4.37(d,J=133.2Hz,6H),4.10(s,3H)。13C NMR(126MHz,CDCl3)δ161.98,161.96,158.79,149.74,146.98,143.25,137.97,130.61,130.08,127.68,118.98,118.13,117.80,105.98,82.85,81.22,77.30,77.05,76.79,54.69。
(1-(3-氟-4-甲氧基苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(40)。LCMS:RT=2.330min,在215和254nm处>98%,m/z=344.1[M+H]+;1H NMR(499MHz,CDCl3)δ8.46(d,J=4.3Hz,1H),8.04(dd,J=8.0,1.7Hz,1H),7.26–7.15(m,3H),7.10(t,J=8.9Hz,1H),6.89(s,1H),5.36(ddt,J=56.6,6.2,3.0Hz,1H),4.47(s,3H),4.32(s,3H),3.96(s,3H)。13C NMR(126MHz,CDCl3)δ162.49,152.80,150.83,149.52,147.55,147.46,146.67,130.41,129.54,123.51,119.01,117.81,116.04,113.08,105.43,82.83,81.20,56.33。
(3-氟氮杂环丁烷-1-基)(1-(2-氟吡啶-4-基)-1H-吡咯并[2,3-b]吡啶-2-基)甲酮(41)。LCMS:RT=2.157min,在215和254nm处>98%,m/z=315.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.45(d,J=33.8Hz,2H),8.07(d,J=7.9Hz,1H),7.47–7.34(m,1H),7.28(q,J=15.8,10.9Hz,2H),6.99(s,1H),5.41(dtt,J=56.3,6.3,3.4Hz,1H),4.67–4.20(m,5H)。13CNMR(126MHz,CDCl3)δ162.12,162.10,158.77,156.77,149.26,146.86,136.60,136.53,130.64,130.56,130.23,124.07,124.04,120.91,120.77,119.15,118.17,116.45,116.27,106.22,99.98,82.82,81.18,29.72。
(1-(3,5-二氟-4-甲氧基苯基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(42)。LCMS:RT=2.456min,在215和254nm处>98%,m/z=362.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.47(dd,J=4.7,1.5Hz,1H),8.05(dd,J=7.9,1.6Hz,1H),7.23(dd,J=7.9,4.6Hz,1H),7.05(d,J=8.2Hz,2H),6.89(s,1H),5.41(ddt,J=56.4,6.1,2.9Hz,1H),4.69–4.21(m,5H),4.08(s,3H)。13C NMR(126MHz,CDCl3)δ162.04,162.02,156.27,156.21,154.29,154.23,149.32,146.86,136.40,131.18,130.62,130.27,119.07,118.12,112.43,112.38,112.28,112.23,106.05,82.81,81.17,61.89,61.86,61.84。
(1-(3,4-二氯苄基)-1H-吡咯并[2,3-b]吡啶-2-基)(3-氟氮杂环丁烷-1-基)甲酮(43)。向E(0.015g;0.068mmol)在DMF(2.0mL)中的溶液里添加4-(溴甲基)-1,2-二氯苯(0.017g;0.082mmol)、Cs2CO3(0.044g;0.14mmol),并且然后在微波反应器中于120℃下加热1h。冷却后,将溶液在EtOAc与饱和NaCl之间分配。将有机层分离,干燥(MgSO4),浓缩,并且通过硅胶快速色谱法(使用硅胶/DCM干法加载)以0–70%EtOAc:己烷的梯度纯化,以给出对应的目标化合物43。LCMS:RT=2.853min,在215和254nm下>98%,m/z=378.0[M+H]+;1H NMR(499MHz,CDCl3)δ8.51(dd,J=4.7,1.6Hz,1H),8.02(dd,J=7.9,1.6Hz,1H),7.33(dd,J=5.2,3.1Hz,2H),7.20(dd,J=7.9,4.7Hz,1H),7.11(dd,J=8.2,2.1Hz,1H),6.74(s,1H),5.90(s,2H),5.34(ddq,J=56.6,6.3,3.2Hz,1H),4.59–4.22(m,5H)。13C NMR(126MHz,CDCl3)δ163.13,148.44,146.29,139.06,132.34,131.24,130.51,130.33,129.47,128.42,127.08,118.73,117.46,105.05,82.82,81.19,45.12。
生物测定数据
实施例2:体外PDE4抑制研究。
化合物8对PDE4的体外IC50确定:
化合物8对PDE4同种型的IC50值由BPS Bioscience(San Diego)确定。简而言之,将包被蛋白(PDE4同种型)以50μl(2-5ng/μl)的体积添加到板中,在4℃下过夜。第二天,将化合物8以不同的浓度添加到包被的板中,随后添加对应的生物素化的结合伴侣。将反应在室温下孵育2小时。在每种浓度下一式两份进行结合测定,并且板使用Synergy 2BioTek读板器进行读数。使用Graphpad Prism分析发光数据。通过将数据归一化至阴性对照孔(用生物素化配体处理的未包被的孔,设置为100%抑制)和阳性对照孔(用生物素化配体处理的在不存在任何抑制剂的情况下的包被的孔,设置为0%抑制)来确定抑制百分比。包括参考化合物或抗体的数据作为抑制的对照。结果程序在下面表B中。“ND”表示化合物未被测试。
表B
实施例3:基于细胞的生长抑制测定。
体外检测化合物8的EC50:
将HEK293细胞在生长培养基(10%胎牛血清、1%Pen-Strep、1%非必需氨基酸、1mM丙酮酸钠)中培养,并以30,000个细胞/孔接种到96孔微孔板中。将细胞在37℃和5%CO2下孵育过夜。第二天,使用Lipofectamine 2000和Opti-MEM将细胞用PDE4B1表达载体、CRE萤光素酶报道基因和对照海肾(Renilla)萤光素酶载体转染6h。除去培养基,并且在50μl新鲜生长培养基中向细胞给予测试化合物或对照并孵育过夜。第二天,将福司可林添加到5μl生长培养基中,以10μM的终浓度将孔刺激5-6h。处理之后,使用BPS Bioscience双重萤光素酶测定系统进行双重萤光素酶测定;添加每孔55μl萤火虫萤光素酶试剂以测量萤火虫发光。随后,再添加55μl/孔的海肾(Renilla)萤光素酶试剂以测量海肾发光。在每种浓度下一式三份进行基于细胞的测定。为了获得CRE报告基因的归一化萤光素酶活性,减去背景发光,然后计算来自CRE报告基因的萤火虫发光与来自对照海肾(Renilla)萤光素酶载体的海肾发光的比率。分析归一化的萤光素酶活性数据,并且通过引起半最大活性百分比的浓度确定EC50值。
与被批准用于治疗银屑病和银屑病性关节炎的PDE4抑制剂阿普斯特(apremilast)相比,化合物8对于PDE4B抑制显示出十倍更低的EC50,结果呈现于下面表C中。
表C.
实施例4:巨噬细胞抑制研究。
在LPS(100 ng/ml;A)或Pam3Cys(10μg/ml;B)刺激之前,源自骨髓的巨噬细胞是未刺激的(-)或用指定浓度的充分表征的PDE4抑制剂咯利普兰或目标化合物(1μM或10μM)预处理了30 min。在处理24 h之后,收集条件培养基以通过ELISA定量TNF-α表达。将结果报告为每种处理的3次独立重复的平均值(±SD),并在两个单独的实验中进行重复。*,p<0.05;**,p<0.01;***,p<0.001;****,p<0.0001;单因子方差分析和Dunnett多重比较事后分析。
源自小鼠骨髓的巨噬细胞的制备和PDE4抑制剂对巨噬细胞促炎症活性的评价
如前所述,从C57BL/6小鼠的骨髓中扩增巨噬细胞。简而言之,将骨髓用无菌的RPMI-1640无血清培养基冲洗,并且在含有10%FBS、青霉素/链霉素/两性霉素、和来自L929成纤维细胞的5%条件培养基作为巨噬细胞集落刺激因子(M-CSF)来源的RPMI-1640中培养。在6天扩增期之后,收获巨噬细胞并且以5x104个细胞/孔铺板到96孔板中。第二天,在用LPS(100 ng/ml)或Pam3Cys(10μg/ml)刺激之前,将巨噬细胞用各种浓度的咯利普兰或本报告中所述的新型PDE4抑制剂(1μM或10μM)预处理30 min。在处理24 h之后,通过酶联免疫吸附测定(ELISA)评估条件培养基的TNF-□释放。对照包括未刺激的巨噬细胞或仅暴露于PDE4抑制剂的细胞。
由于PDE4抑制剂具有充分证明的抗炎症特性,因此通过测量经典的促炎症细胞因子TNF-α的产生来研究这些化合物抑制巨噬细胞促炎症活性的能力(图1)。测试了两种充分表征的促炎症刺激物,即脂多糖(LPS)和合成脂肽(Pam3Cys),它们分别代表Toll样受体4和2(TLR4和TLR2)的典型细菌配体。所有测试化合物均以相同程度、或以优于已充分表征的PDE4抑制剂咯利普兰(图1)的程度抑制源自小鼠骨髓的巨噬细胞的TNF-α产生。对于LPS诱导的TNF-α释放,观察到剂量依赖性反应,其中较高的浓度在整个化合物组中均无效(图1A),这已在其他PDE4抑制剂的情况下报道过。当用Pam3Cys刺激巨噬细胞时,对一些化合物观察到了类似的剂量反应(图1B);然而,在整个化合物类别中,细胞因子产生显著减少。当单独测试时,没有一种化合物引起了TNF-α产生(数据未显示)。总之,这些发现支持了目标化合物的生物学作用,所述目标化合物模拟了充分表征的PDE4抑制剂咯利普兰的抗炎症作用。
实施例5:小鼠可卡因研究。
运动分析:将WT小鼠(两个性别,n=6-8)分为接受不同处理的四组:(1)媒介物+盐水;(2)媒介物+可卡因;(3)化合物8+盐水;和(4)化合物8+可卡因。以20mg/kg(i.p.)施用可卡因,并且以两种不同的剂量5mg/kg或10mg/kg(i.p.)使用化合物8。首先将化合物8注射到小鼠中,并且在30min后施用可卡因。为了研究化合物8对急性运动反应的影响,在可卡因注射后立即将小鼠放入开放场仪器(Truescan,Coulbourn仪器)中以检测45min的运动活力。TruScan红外线活动系统由一个透明的竞技场与位于地面水平以上3cm的环上的红外传感器组成。在传感器环上有16个间隔为1英寸的光束,其用于检测小鼠的运动。这些数据将自动地中继到PC计算机上并由软件来解释。为了研究化合物8对运动致敏的作用,连续7天重复地向小鼠注射化合物8和可卡因,并且每隔一天记录一次运动反应。
自身施用:
(a)手术程序:在氯胺酮盐酸盐(100mg/mg,i.p.)和甲苯噻嗪(10mg/mg,i.p.)麻醉剂的组合下将永久性留置导管(Plastics one)植入WT小鼠(10-12周,两个性别)的右颈静脉中。将导管用手术丝绑在静脉上,并且皮下传递到小鼠的背部,在此处将导管固定在一个小的塑料基座上(26G,Plastics One Company)。手术之后,每天用肝素(30IU/ml)冲洗导管以避免凝结。在实验开始之前,允许小鼠在其家中恢复至少7天。
(b)可卡因自身给药小鼠的建立:将小鼠单独放入减音小室(CoulbourneInstrument)中以训练自身施用可卡因(1.0mg/kg/输液)。通过用20μl溶液在5秒钟内静脉内递送可卡因对小鼠进行加强施用,以对提示配对(活性)传感器进行鼻刺,然而对无活性传感器进行鼻刺未产生结果。每次药物注射后暂停15秒的时间。使用计算机界面和GraphicState Notation 4软件(Coulbourne Instrument)自动记录所有反应。在固定比率1(FR1)时间表下,在一个每日给药期(daily session)内训练小鼠自身施用可卡因。每个给药期持续最多2h,或直到小鼠接受30次可卡因输注以避免过量。采集期进行7-10天以帮助小鼠根据以下标准进行稳定的可卡因自身摄入:(1)活性鼻刺与无活性鼻刺的比率高于2:1;(2)可卡因的最少输注为10次以上;和(3)连续三天的可卡因摄入变化低于20%。在可卡因摄入建立之后,将小鼠根据FR1时间表进行另外一周的可卡因自身施用(每日2h给药期,1.0mg/kg/输注)。在每个给药期之前和之后以及在最后一个给药期之后都冲洗小鼠,向小鼠施用氯胺酮以确认导管设置的通畅性(patency)。
(c)化合物8对可卡因介导的寻求和摄入行为的影响。将化合物8/媒介物注射到可卡因自身施用小鼠中(i.p.),并且在30min以后根据FR1时间表将小鼠放进小室内持续2h。记录活性鼻刺和可卡因输注的次数。将注射媒介物的小鼠用作对照。
化合物8显著降低了小鼠中可卡因介导的寻求和摄入行为(图2),并且抑制了可卡因诱导的超运动,而单独的化合物8没有任何增加(图3)。
鉴于可以应用本公开原理的许多可能实施方案,应当认识到,所展示的实施方案仅仅是实例,而不应被视为限制本发明的范围。
Claims (29)
1.一种具有式(I)结构的化合物或其药学上可接受的盐:
其中
X、Y和Z各自独立地是CR3;
R是C0-6亚烷基-苯基或C0-6亚烷基-6元杂芳基,所述苯基或6元杂芳基是未取代的或者被1-3个R4取代;
R1和R2与它们所附接的氮原子一起形成包含0-2个独立地选自N、O和S的另外的环杂原子的3-10元杂环烷基环,其中所述杂环烷基是未取代的或者被1-3个R6取代;
每个R3独立地是H或C1-6烷基;
每个R4独立地是C1-6烷基、卤素、CF3、CN、或O-C1-6烷基;并且
R6独立地是C1-6烷基、卤素、CF3、CN、OH、或O-C1-6烷基。
2.根据权利要求1所述的化合物或盐,其中X、Y和Z各自是CH。
3.根据权利要求1所述的化合物或盐,其中R是C0-6亚烷基-苯基。
4.根据权利要求1所述的化合物或盐,其中R是苯基。
5.根据权利要求1所述的化合物或盐,其中R被1至3个R4取代。
6.根据权利要求5所述的化合物或盐,其中R被2个R4取代。
7.根据权利要求5所述的化合物或盐,其中R被3个R4取代。
8.根据权利要求1所述的化合物或盐,其中每个R4独立地是C1-6烷基、O-C1-6烷基、卤素或CN。
9.根据权利要求8所述的化合物或盐,其中至少一个R4是氟。
10.根据权利要求8所述的化合物或盐,其中至少一个R4是氯。
11.根据权利要求8所述的化合物或盐,其中至少一个R4是甲基。
12.根据权利要求8所述的化合物或盐,其中至少一个R4是CN或OMe。
13.根据权利要求1所述的化合物或盐,其中R是
14.根据权利要求13所述的化合物或盐,其中R是
15.根据权利要求1所述的化合物或盐,其中R是二氯苯基。
16.根据权利要求1所述的化合物或盐,其中R1和R2与它们所附接的原子一起形成4元杂环烷基环。
17.根据权利要求16所述的化合物或盐,其中所述杂环烷基环是未经取代的。
18.根据权利要求16所述的化合物或盐,其中所述杂环烷基环被1-3个R6取代。
19.根据权利要求18所述的化合物或其盐,其中R6是卤素或CF3。
20.根据权利要求19所述的化合物或盐,其中至少一个R6是卤素。
21.根据权利要求20所述的化合物或盐,其中每个R6是卤素。
22.根据权利要求18所述的化合物或盐,其中R6是氟。
23.根据权利要求19所述的化合物或盐,其中至少一个R6是CF3。
24.根据权利要求16所述的化合物或盐,其中N(R1)(R2)是
25.根据权利要求1所述的化合物或盐,其中N(R1)(R2)是
26.根据权利要求1所述的化合物或盐,其选自以下所示的化合物6-12、14、15、25、30、37、38、42和43:
27.一种药物调配物,其包含根据权利要求1至26中任一项所述的化合物或盐以及药学上可接受的赋形剂。
28.根据权利要求1至26中任一项所述的化合物或盐或根据权利要求27所述的药物调配物在制备用于治疗、抑制或预防受试者的银屑病性关节炎、斑块状银屑病或可卡因成瘾的药物中的用途。
29.根据权利要求28所述的用途,其中所述药物用于治疗、抑制或预防可卡因成瘾。
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