申请人:Sankyo Company, Limited
公开号:US05459148A1
公开(公告)日:1995-10-17
Compounds of formula (I): ##STR1## [wherein: A represents a group (IIa), (IIb) or (IIc): ##STR2## R.sup.1 is alkyl, alkenyl, cycloalkyl or a group of formula R.sup.4 --Y--R.sup.5 --, where: R.sup.4 is hydrogen, alkyl, or cycloalkyl, R.sup.5 is a single bond or alkylene, and Y is oxygen, sulfur or imino group; R.sup.2 is hydrogen, halogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, hydroxy, amino, alkylamino, dialkylamino, formyl, alkylcarbonyl, alkoxy, alkylthio, cyano or nitro; R.sup.3 is hydrogen, alkyl, carboxy, protected carboxy, carbamoyl or tetrazol-5-yl; X is of formula --CH.dbd., --N.dbd. or --C(COOR.sup.6).dbd., where R.sup.6 is hydrogen or a carboxy-protecting group; Z is a single bond, alkylene or vinylene; and B is carboxy, protected carboxy or tetrazol-5-yl]; and pharmaceutically acceptable salts and esters thereof have the ability to inhibit the action of angiotensin II and thus can be used for the treatment and prophylaxis of hypertension and cardiac diseases.
化合物的化学式(I):##STR1## [其中:A代表(IIa),(IIb)或(IIc)中的一个基团:##STR2## R.sup.1是烷基,烯基,环烷基或具有公式R.sup.4-Y-R.sup.5-的基团,其中:R.sup.4是氢,烷基或环烷基,R.sup.5是单键或烷基烯基,Y是氧,硫或亚胺基; R.sup.2是氢,卤素,可选取代烷基,可选取代烯基,可选取代环烷基,羟基,氨基,烷基氨基,二烷基氨基,甲酰基,烷基羰基,烷氧基,烷基硫基,氰基或硝基; R.sup.3是氢,烷基,羧基,保护羧基,氨基甲酰基或四唑-5-基; X的公式为-CH.dbd.,-N.dbd.或-C(COOR.sup.6).dbd.,其中R.sup.6是氢或羧保护基; Z是单键,烷基或乙烯基; B是羧基,保护羧基或四唑-5-基];以及其药学上可接受的盐和酯具有抑制血管紧张素II作用的能力,因此可以用于高血压和心脏疾病的治疗和预防。