申请人:University of Alberta
公开号:US04771057A1
公开(公告)日:1988-09-13
Pharmaceutical compounds of the general formula (1): ##STR1## have been prepared and non-toxic pharmaceutically acceptable salts thereof, wherein the ring system is a 1,2- or 1,4-dihydropyridyl radical; R.sub.1 is a hydrogen, lower alkyl, lower alkyl carbonyl or lower alkoxy carbonyl substituent; R.sub.2 is a lower alkly or phenyl substituent; R.sub.3 is a lower alkoxy carbonyl, (N,N-lower dialkylamino) lower alkoxy carbonyl, (N-lower alkyl-N-phenyl lower alkyl amino) lower alkoxy carbonyl, lower alkoxy lower alkoxy carbonyl, nitro, or cyano substituent; R.sub.4 is a member selected from the group consisting of pyridyl, N-lower alkoxy carbonyl-1,2-dihydropyridyl, N-lower alkyl carbonyl-1,2-dihydropyridyl, N-phenyloxy carbonyl-1,2-dihydropyridyl, N-lower alkoxy carbonyl-1,6-dihydropyridyl, N-lower alkyl carbonyl-1,6-dihydropyridyl, N-lower alkyl carbonyl-1,6-dihydropyridyl, N-phenyloxy carbonyl-1,6-dihydropyridyl, N-lower alkoxy carbonyl-1,4-dihydropyridyl, N-lower alkyl carbonyl-1,4-dihydropyridyl, N-phenyloxy carbonyl-1,4-dihydropyridyl, N-lower alkyl 1,2,3,6-tetrahydropyridyl, N-lower alkoxy carbonyl-1,2,3,6-tetrahydropyridyl, N-lower alkyl carbonyl-1,2,3,6-tetrahydropyridyl, nitro substituted phenyl or trifluoromethyl substituted phenyl; R.sub.5 is a lower alkoxy carbonyl, (N,N-lower dialkylamino) lower alkoxy carbonyl, (N-lower alkyl-N-phenyl lower alkyl amino) lower alkoxy carbonyl, lower alkoxy lower alkoxy carbonyl, nitro, or cyano substitutent; R.sub.6 is a lower alkyl, or phenyl substituent, lower denoting a straight or branched chain having from 1-6 carbon atoms. These compounds regulate cardiovascular activity due to their ability to induce cerebral and peripheral vasodilation, decrease heart rate, and/or increase cardiac contractility, and are useful in the treatment of angina, arrhythmias, cerebralvascular disease and hypertension.
通用公式(1)的药物化合物已经制备出来,以及其非毒性的药用可接受盐,其中环系统是1,2-或1,4-二氢吡啶基;R.sub.1是氢、低烷基、低烷基羰基或低烷氧羰基取代基;R.sub.2是低烷基或苯基取代基;R.sub.3是低烷氧羰基、(N,N-低二烷基氨基)低烷氧羰基、(N-低烷基-N-苯基低烷基氨基)低烷氧羰基、低烷氧低烷氧羰基、硝基或氰基取代基;R.sub.4是从吡啶基、N-低烷氧羰基-1,2-二氢吡啶基、N-低烷基羰基-1,2-二氢吡啶基、N-苯氧羰基-1,2-二氢吡啶基、N-低烷氧羰基-1,6-二氢吡啶基、N-低烷基羰基-1,6-二氢吡啶基、N-低烷基羰基-1,6-二氢吡啶基、N-苯氧羰基-1,6-二氢吡啶基、N-低烷氧羰基-1,4-二氢吡啶基、N-低烷基羰基-1,4-二氢吡啶基、N-苯氧羰基-1,4-二氢吡啶基、N-低烷基-1,2,3,6-四氢吡啶基、N-低烷氧羰基-1,2,3,6-四氢吡啶基、N-低烷基羰基-1,2,3,6-四氢吡啶基、硝基取代苯基或三氟甲基取代苯基中选择的成员;R.sub.5是低烷氧羰基、(N,N-低二烷基氨基)低烷氧羰基、(N-低烷基-N-苯基低烷基氨基)低烷氧羰基、低烷氧低烷氧羰基、硝基或氰基取代基;R.sub.6是低烷基或苯基取代基,低表示由1-6个碳原子组成的直链或支链。这些化合物通过其诱导脑部和周围血管扩张、降低心率和/或增加心脏收缩力的能力,调节心血管活动,并且在治疗心绞痛、心律失常、脑血管疾病和高血压方面是有用的。