申请人:Farmitalia Carlo Erba S.p.A.
公开号:US04321381A1
公开(公告)日:1982-03-23
Compounds and process for making same are disclosed, the compounds having the formula (I): ##STR1## wherein R.sub.1 represents methyl, phenyl, piperidino, 1-pyrrolidinyl, morpholino or 4-methyl-1-piperazinyl, alkyl or alkoxy having from 1 to 4 carbon atoms, amino, substituted amino of the formula NHR' (wherein R' is alkyl having from 1 to 4 carbon atoms, cycloalkyl, a benzyl, or phenyl) or substituted amino of the formula NR" R"' (wherein R" and R"' both represent alkyl having from 1 to 4 carbon atoms); R.sub.2 represents a hydrogen atom, alkyl having from 1 to 4 carbon atoms, or phenyl; R.sub.3 represents a fluorine atom, cyano, difluoromethyl, difluorobromomethyl, trifluoromethyl, methylthio, methylsulphonyl, sulphonamido, an alkoxy having from 1 to 4 carbon atoms, an alkanoyl having from 2 to 5 carbon atoms, or benzoyl; R.sub.4 represents a hydrocarbon having from 1 to 4 carbon atoms; R.sub.5 represents a hydrogen atom or methoxy; R.sub.6 represents a hydrogen or halogen atom or methyl; and R.sub.7 represents a hydrogen atom or methyl. The 2-cyano derivatives are especially preferred. The compounds are useful as antihypertensive agents.
本文披露了化合物及其制备方法,其中化合物具有以下式子(I):##STR1## 其中,R.sub.1代表甲基,苯基,哌啶基,1-吡咯烷基,吗啉基或4-甲基-1-哌嗪基,具有1至4个碳原子的烷基或烷氧基,氨基,取代的公式NHR'的氨基(其中R'是具有1至4个碳原子的烷基,环烷基,苯甲基或苯基),或取代的公式NR"R"'的氨基(其中R"和R"'均表示具有1至4个碳原子的烷基);R.sub.2代表氢原子,具有1至4个碳原子的烷基或苯基;R.sub.3代表氟原子,氰基,二氟甲基,二氟溴甲基,三氟甲基,甲硫基,甲磺酰基,磺酰胺基,具有1至4个碳原子的烷氧基,具有2至5个碳原子的烷酰基或苯甲酰基;R.sub.4代表具有1至4个碳原子的烃基;R.sub.5代表氢原子或甲氧基;R.sub.6代表氢原子,卤素原子或甲基;R.sub.7代表氢原子或甲基。2-氰基衍生物特别受欢迎。这些化合物可用作降压剂。