申请人:Bayer Aktiengesellschaft
公开号:US05254692A1
公开(公告)日:1993-10-19
2,6-dialkyl-4-(benzothiazol- or benzoxazol-7-yl)-1,4-dihydropyridines which exhibit positive inotropic action with largely neutral vascular behavior, of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms, R.sup.2 represents nitro or cyano, or R.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## and R.sup.4 represents hydrogen, or and physiologically acceptable salts thereof.
展示正肌力作用和主要中性血管行为的2,6-二烷基-4-(苯并噻唑或苯并噁唑-7-基)-1,4-二氢吡啶的化合物,化学式为##STR1##其中R1和R5相同或不同,表示直链或支链烷基,碳原子数最多为8;R2表示硝基或氰基,或R1和R2一起形成公式##STR2##的内酯环;R3表示公式##STR3##的基团;R4表示氢,或其生理上可接受的盐。