Substituted caprolactam derivatives as antihypertensives, process for preparing them, pharmaceutical composition containing them, and intermediates
申请人:Merck & Co., Inc.
公开号:EP0046291A2
公开(公告)日:1982-02-24
The invention retates to caprolactam derivatives of the formula
wherein
R and R are hydroxy, lower alkoxy, lower alkenoxy. aryloxy, difoweralkylamino lower alkoxy, acylamino lower alkoxy, acyloxy lower alkoxy arloweralkoxy. hydroxy lower all oxy. dihydroxy lower alkoxy, amino, hydroxyamino;
R is hydrogen. alkyl of from 1 to 12 carbon atoms substituted loweralkyl, arloweralkyl, arloweralkenyl, heteroarlower alkyl or heteroarlower alkenyl, substituted arloweralkyl or substituted heteroarlower alkyl;
R2 is hydrogen, lower alkyl, cyclic lower alkyl, amino, aminolower alkyl, alkylaminoloweralkyl, hydroxyalkyl, acylaminoloweralkyl, dialkylaminoloweralkyl, arlower alkyl, aryl, substituted aryl, heteroaryl, heteroarlower alkyl;
R3 is hydrogen, lower alkyl, phenyl, phenyl lower alkyl, hydroxyphenyl lower alkyl, hydroxy lower alkyl, amino lower alkyl, acylamino lower aikyl, guanidino lower alkyl, imidazolyl lower alkyl, indolyl lower alkyl, mercapto lower alkyl or lower alkyl thio lower alkyl; and
R3 is hydrogen or lower alkyl.
These compounds are useful as angiotensin converting enzyme inhibitors and as antihypertensives. The invention relates also to a process for preparing these compounds.
本发明涉及式如下的己内酰胺衍生物
式中
R和R是羟基、低级烷氧基、低级烯氧基、芳氧基、二低级烷基氨基低级烷氧基、酰氨基低级烷氧基、酰氧基低级烷氧基、羟基低级烷氧基、二羟基低级烷氧基、氨基、羟基氨基;
R2 是氢、1 至 12 个碳原子的烷基、取代的低级烷基、低级烷基、低级烯基、杂低级烷基或杂低级烯基、取代的低级烷基或取代的杂低级烷基;
R2 是氢、低级烷基、环低级烷基、氨基、氨低级烷基、烷基氨基低级烷基、羟基烷基、酰基氨基低级烷基、二烷基氨基低级烷基、芳基、取代芳基、杂芳基、杂低级烷基;
R3 是氢、低级烷基、苯基、苯基低级烷基、羟基苯基低级烷基、羟基低级烷基、氨基低级烷基、酰氨基低级烷基、胍基低级烷基、咪唑基低级烷基、吲哚基低级烷基、巯基低级烷基或硫代低级烷基;和
R3 是氢或低级烷基。
这些化合物可用作血管紧张素转换酶抑制剂和降压药。本发明还涉及制备这些化合物的工艺。