-Phosphono-1,4-dihydropyridines and pyridines of formula I
wherein m is zero or 1, R, and R2 may be hydrogen, alkyl or aryl groups, R3 is an optionally substituted aryl or hetaryl group, R4 is a carboxyester, cyano, nitro, acetyl, benzyl or carbox- yamido group, Rs and R are alkyl chains optionally substituted or interrupted by heteroatoms, double or triple bonds,
are endowed with a calcium antagonistic effect.
-式 I 的膦酰基-1,4-
二氢吡啶和
吡啶
其中 m 为 0 或 1,R 和 R2 可以是氢、烷基或芳基,R3 是任选取代的芳基或正烷基,R4 是羧基、
氰基、硝基、乙酰基、苄基或羧基
氨基,Rs 和 R 是任选被杂原子、双键或三键取代或打断的烷基链、
具有
钙拮抗作用。