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## R.sup.4 -R.sup.7 are defined hereinafter and physiologically acceptable salts thereof.
这是一种化合物的描述,其名称为2,6-双烷基-4-(
苯并噻唑或苯并
噁唑-7-基)-1,4-
二氢吡啶,具有显著的正性肌力作用和大部分中性血管行为,其
化学式为##STR1##其中R.sup.1和R.sup.5相同或不同,代表直链或支链烷基,碳数不超过8个,R.sup.2代表硝基或
氰基,或R.sup.1和R.sup.2一起形成公式##STR2##的内酯环,R.sup.3代表公式##STR3##的基团,R.sup.4-R.sup.7的定义如下,并且还包括其生理上可接受的盐。