申请人:Pfizer Inc.
公开号:US04237138A1
公开(公告)日:1980-12-02
Regulators of the cardiovascular system and, in particular, in the treatment of hypertension having the formula ##STR1## pharmaceutically-acceptable bioprecursors thereof, and the pharmaceutically-acceptable acid addition salts thereof; wherein each of R.sup.1 and R.sup.2 is C.sub.1-4 alkyl or --CH.sub.2 CF.sub.3 ; alk is ethylene, monophenyl substituted ethylene, mono- and dimethyl substituted ethylene or monophenylmonomethyl substituted ethylene; and R.sup.3 is hydrogen, C.sub.1-4 alkyl, C.sub.3 -C.sub.6 cycloalkyl; phenyl or substituted phenyl; and methods for their preparation.
心血管系统的调节剂,特别是治疗高血压的化学式为##STR1##的药用可接受的生物前体,以及其药用可接受的酸盐;其中R.sup.1和R.sup.2中的每一个是C.sub.1-4烷基或--CH.sub.2 CF.sub.3;alk是乙烯,单苯基取代的乙烯,单甲基和双甲基取代的乙烯或单苯基单甲基取代的乙烯;而R.sup.3是氢,C.sub.1-4烷基,C.sub.3-C.sub.6环烷基;苯基或取代苯基;以及它们的制备方法。