申请人:Pfizer Inc.
公开号:US04260764A1
公开(公告)日:1981-04-07
1,9-Dihydroxyoctahydrobenzo[c]quinolines (I), 1-hydroxyhexahydrobenzo[c]quinoline-9(8H)-ones (II), and 1-hydroxy-tetrahydrobenzo[c]quinolines (IV) useful as CNS agents, especially as analgesics and tranquilizers, as hypotensives, as agents for the treatment of glaucoma and as diuretics; intermediates therefor (III) and derivatives thereof having the formulae ##STR1## wherein R is hydroxy, alkanoyloxy having from one to five carbon atoms and hydroxymethyl; R.sub.1 is hydrogen, benzyl, benzoyl, alkanoyl having from one to five carbon atoms or --CO--(CH.sub.2).sub.p --NR.sub.2 R.sub.3 wherein p is 0 or an integer from 1 to 4; each of R.sub.2 and R.sub.3 when taken individually is hydrogen or alkyl having from one to four carbon atoms; R.sub.2 and R.sub.3 when taken together with the nitrogen to which they are attached form a 5- or 6-membered heterocyclic ring (piperidino, pyrrolo, pyrrolidino, morpholino and N-alkylpiperazino having from one to four carbon atoms in the alkyl group); R.sub.4 is hydrogen, alkyl having from 1 to 6 carbon atoms and --(CH.sub.2).sub.z --C.sub.6 H.sub.5 wherein z is an integer from 1 to 4; R.sub.5 is hydrogen, methyl or ethyl; R.sub.6 is hydrogen, --(CH.sub.2).sub.y -carbalkoxy having from 1 to 4 carbon atoms in the alkoxy group wherein y is 0 or an integer from 1 to 4; carbobenzyloxy, formyl, alkanoyl having from two to five carbon atoms, alkyl having from one to six carbon atoms; --(CH.sub.2).sub.x --C.sub.6 H.sub.5 wherein x is an integer from 1 to 4; and --CO(CH.sub.2).sub.x-1 --C.sub.6 H.sub.5 ; R.sub.0 is oxo, methylene or alkylenedioxy having from two to four carbon atoms; R' is R or R.sub.0 ; Z is (a) alkylene having from one to nine carbon atoms; (b)--(alk.sub.1).sub.m --X--(alk.sub.2).sub.n -- wherein each of (alk.sub.1) and (alk.sub.2) is alkylene having from one to nine carbon atoms, with the proviso that the summation of carbon atoms in (alk.sub.1) plus (alk.sub.2) is not greater than 9; each of m and n is 0 or 1; X is 0, S, SO or SO.sub.2 ; and W is hydrogen, methyl, ##STR2## wherein W.sub.1 is hydrogen, chloro or fluoro, pyridyl, piperidyl, cycloalkyl having from 3 to 7 carbon atoms, or monosubstituted cycloalkyl wherein the substituent is ##STR3## wherein W.sub.2 is hydrogen, chloro or fluoro; and pharmaceutically-acceptable acid addition salts of compounds of formulae I, II and IV and the ketals of compounds of formulae II, III and IV wherein the ketal moiety has from two to four carbon atoms.
1,9-二羟基八氢苯并[c]喹啉(I),1-羟基六氢苯并[c]喹啉-9(8H)-酮(II),以及1-羟基四氢苯并[c]喹啉(IV)被用作中枢神经系统药物,尤其是作为镇痛剂和镇静剂,作为降压剂,作为治疗青光眼的药物和利尿剂;其中间体(III)和具有以下式子的衍生物 ##STR1## 其中R是羟基,有1至5个碳原子的脂肪酰氧基和羟甲基;R.sub.1是氢,苄基,苯甲酰基,有1至5个碳原子的脂肪酰基或--CO--(CH.sub.2).sub.p --NR.sub.2 R.sub.3,其中p为0或1至4的整数;当R.sub.2和R.sub.3单独取时为氢或有1至4个碳原子的烷基;当R.sub.2和R.sub.3与它们连接的氮一起取时形成5或6元杂环环(哌啶基,吡咯基,吡咯烷基,吗啉基和N-烷基哌嗪基,其中烷基中有1至4个碳原子);R.sub.4是氢,有1至6个碳原子的烷基和--(CH.sub.2).sub.z --C.sub.6 H.sub.5,其中z为1至4的整数;R.sub.5是氢,甲基或乙基;R.sub.6是氢,--(CH.sub.2).sub.y -羧烷氧基,其中烷氧基中有1至4个碳原子,其中y为0或1至4的整数;羧苄氧基,甲酰基,有2至5个碳原子的脂肪酰基,有1至6个碳原子的烷基;--(CH.sub.2).sub.x --C.sub.6 H.sub.5,其中x为1至4的整数;以及--CO(CH.sub.2).sub.x-1 --C.sub.6 H.sub.5;R.sub.0是氧代,亚甲基或有2至4个碳原子的烷二氧基;R'是R或R.sub.0;Z是(a)有1至9个碳原子的烷基;(b)--(alk.sub.1).sub.m --X--(alk.sub.2).sub.n --,其中每个(alk.sub.1)和(alk.sub.2)是有1至9个碳原子的烷基,但(alk.sub.1)加上(alk.sub.2)的碳原子总和不大于9;每个m和n为0或1;X为0,S,SO或SO.sub.2;W为氢,甲基,##STR2## 其中W.sub.1为氢,氯或氟,吡啶基,哌啶基,有3至7个碳原子的环烷基或单取代的环烷基,其中取代基为##STR3## 其中W.sub.2为氢,氯或氟;以及式子I,II和IV化合物的药物可接受的酸加合物和式子II,III和IV化合物的酮缩物,其中酮缩基团具有2至4个碳原子。