申请人:USV Pharmaceutical Corporation
公开号:US04304914A1
公开(公告)日:1981-12-08
Compounds of the formula ##STR1## wherein each of R, R.sub.1 and R.sub.2 is independently H, alkyl, alkenyl, alkoxy, halo, hydroxy, trifluoromethyl, amino, alkylamino, cyano and nitro; R.sub.3 is carbalkoxy, carboxamide alkanoyl, trifluoromethyl and cyano; and Ar is heteroaryl or ##STR2## wherein R.sub.4 and R.sub.5 have the same meaning as each of R, R.sub.1 and R.sub.2 ; and acid addition salts thereof have cardiotonic and hypertensive activity.
式(I)的化合物,其中R、R.sub.1和R.sub.2各自独立地为H、烷基、烯基、烷氧基、卤素、羟基、三氟甲基、氨基、烷基氨基、氰基和硝基;R.sub.3为羧酰烷氧基、酰胺基烷酰基、三氟甲基和氰基;Ar为杂芳基或式(II)其中R.sub.4和R.sub.5与R、R.sub.1和R.sub.2的含义相同;以及它们的酸盐具有心脏强心和高血压活性。