申请人:Beiersdorf Aktiengesellschaft
公开号:US04639453A1
公开(公告)日:1987-01-27
New substituted 1-(4-amino-6,7-dialkoxyquinazolinyl)-4-cyclohexenyl derivatives of piperazine and homopiperazine, of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which can be identical or different, denote hydrogen, straight-chain or branched alkyl groups with in each case 1 to 6 carbon atoms, cyclic aliphatic radicals with in each case 5 to 7 carbon atoms, aromatic radicals or substituted aromatic radicals, which can be monosubstituted or polysubstituted by identical or different substituents from the group comprising halogen and lower alkyl groups with in each case 1 to 4 carbon atoms in the alkyl part, or denote aralkyl radicals, furanyl radicals or thienyl radicals, or R.sup.2 and R.sup.3 together denote the group --(CH.sub.2).sub.a --, wherein a is the number 4 or 5, or R.sup.3 and R.sup.4 together denote the group --(CH.sub.2).sub.b --, wherein b is the number 3, 4 or 5, R.sup.6 and R.sup.7, which can be identical or different, denote alkoxy groups with 1 to 4 carbon atoms in the alkyl part, which can be straight-chain or branched, and n denotes the number 1 or 2, and tautomeric forms thereof, as well as acid addition salts and hydrates thereof, reduce the arterial blood pressure and promote blood flow in the vessels. They can be used as medicaments for the treatment of hypertension, glaucoma and cardiac insufficiency.
新的取代1-(4-氨基-6,7-二烷氧基喹唑啉基)-4-环己烯基哌嗪和同源哌嗪的衍生物,其一般式I如下所示,其中R.sup.1、R.sup.2、R.sup.3、R.sup.4和R.sup.5可以相同也可以不同,表示氢、碳原子数为1至6的直链或支链烷基、碳原子数为5至7的环状脂肪基、芳香基或取代的芳香基,可以是单取代或多取代,取代基包括卤素和碳原子数为1至4的较低烷基部分,或表示芳基烷基、呋喃基或噻吩基,或R.sup.2和R.sup.3一起表示--(CH.sub.2).sub.a --基团,其中a是4或5,或R.sup.3和R.sup.4一起表示--(CH.sub.2).sub.b --基团,其中b是3、4或5,R.sup.6和R.sup.7可以相同也可以不同,表示碳原子数为1至4的烷氧基,可以是直链或支链,n表示1或2,以及它们的互变异构体、酸盐和水合物,能够降低动脉血压并促进血管内血液流动。它们可用作治疗高血压、青光眼和心脏不全的药物。