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.
揭示了一种制备化合物的方法,所述化合物具有以下式(I):其中R₁代表甲基、苯基、哌啶基、1-吡咯啉基、吗啉基或4-甲基-1-哌嗪基,烷基或烷氧基,碳原子数为1至4,氨基,取代氨基的化合物NHR'(其中R'为碳原子数为1至4的烷基,环烷基,苯甲基或苯基)或取代氨基的化合物NR" R"'(其中R"和R"'都代表碳原子数为1至4的烷基);R₂代表氢原子,碳原子数为1至4的烷基或苯基;R₃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,碳原子数为1至4的烷氧基,碳原子数为2至5的烷酰基,或苯甲酰基;R₄代表碳原子数为1至4的碳氢化合物;R₅代表氢原子或甲氧基;R₆代表氢原子或卤素原子或甲基;R₇代表氢原子或甲基。2-氰基衍生物尤其受欢迎。这些化合物可用作降压药物。