申请人:Suntory Limited
公开号:US04683234A1
公开(公告)日:1987-07-28
N-substituted 3,4-dihydropyrimidine derivatives of the formula: ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 are the same or different and are hydrogen, nitro, halogen, cyano, trifluoromethyl, methylthio or lower alkoxy; R.sup.1 is (C.sub.1 -C.sub.13) straight or branched alkoxy, (C.sub.4 -C.sub.12) straight or branched alkenyloxy, (C.sub.5 -C.sub.8) straight or branched alkynyloxy, (C.sub.1 -C.sub.4) straight or branched alkyl, (C.sub.3 -C.sub.6) cycloalkyl, --O--(CH.sub.2).sub.n --A wherein n is 1, 2 or 3, A is cyclopropyl, cyclobutyl, cyclopentyl, or (C.sub.1 -C.sub.3) haloalkyl, --O--(CH.sub.2).sub.m --O--B wherein m is 1, 2, 3 or 4, B is (C.sub.1 -C.sub.3) alkyl, or --O--(CH.sub.2).sub.l --D wherein l is an integer from zero to 8, D is phenyl or substituted phenyl; R.sup.2 is (C.sub.1 -C.sub.12) straight or branched alkyl, (C.sub.4 -C.sub.7) straight or branched alkenyl, --(CH.sub.2).sub.p --E wherein p is 1, 2 or 4, E is cyclopropyl, cyclobutyl or cyclopentyl, ##STR2## wherein q is 2, 3 or 4, G and J are the same or different and are phenyl, methyl, ethyl, isopropyl, benzyl, phenethyl, methoxycarbonyl or ethoxycarbonyl, or --(CH.sub.2).sub.r --O--L wherein r is 1 or 2, L is methyl, ethyl or phenyl, with the proviso that wherein R.sup.1 is methoxy or ethoxy, R.sup.2 is neither methyl nor ethyl, and pharmaceutically acceptable acid addition salts thereof are useful as agents for treating disorders of the cardiovascular system, for example, hypotensive agents, agents for ameriolation of brain circulation and anti-angina pectoris agents. Processes for producing the above compounds economically and effectively are also disclosed.
N-取代的3,4-二氢嘧啶衍生物的化学式如下:##STR1## 其中X.sup.1、X.sup.2和X.sup.3相同或不同,可以是氢、硝基、卤素、氰基、三氟甲基、甲硫基或较低的烷氧基;R.sup.1是(C.sub.1 -C.sub.13)直链或支链烷氧基,(C.sub.4 -C.sub.12)直链或支链烯氧基,(C.sub.5 -C.sub.8)直链或支链炔氧基,(C.sub.1 -C.sub.4)直链或支链烷基,(C.sub.3 -C.sub.6)环烷基,--O--(CH.sub.2).sub.n --A,其中n为1、2或3,A为环丙基、环丁基、环戊基,或(C.sub.1 -C.sub.3)卤代烷基,--O--(CH.sub.2).sub.m --O--B,其中m为1、2、3或4,B为(C.sub.1 -C.sub.3)烷基,或--O--(CH.sub.2).sub.l --D,其中l为从零到8的整数,D为苯基或取代苯基;R.sup.2是(C.sub.1 -C.sub.12)直链或支链烷基,(C.sub.4 -C.sub.7)直链或支链烯基,--(CH.sub.2).sub.p --E,其中p为1、2或4,E为环丙基、环丁基或环戊基,##STR2## 其中q为2、3或4,G和J相同或不同,可以是苯基、甲基、乙基、异丙基、苄基、苯乙基、甲氧羰基或乙氧羰基,或--(CH.sub.2).sub.r --O--L,其中r为1或2,L为甲基、乙基或苯基,但是当R.sup.1为甲氧基或乙氧基时,R.sup.2既不是甲基也不是乙基,其药学上可接受的酸盐也可用作治疗心血管系统疾病的药物,例如,降压药、改善脑循环的药物和抗心绞痛药物。还公开了经济有效地生产上述化合物的方法。