申请人:Pfizer Inc.
公开号:US04405626A1
公开(公告)日:1983-09-20
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)和1-羟基四氢苯并[c]喹啉(IV)可用作中枢神经系统药物,特别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作为利尿剂;其中间体(III)和具有以下式子的衍生物##STR1##
其中,R为羟基,有1至5个碳原子的脂肪酰氧基和羟甲基;R.sub.1为氢,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.2R.sub.3,其中p为0或1至4的整数;当分别取R.sub.2和R.sub.3时,它们各自为氢或有1至4个碳原子的烷基;当取R.sub.2和R.sub.3时,它们与它们所连接的氮一起形成一个5-或6-成员的杂环环(哌啶,吡咯,吡咯烷,吗啉和N-烷基哌嗪,其中烷基中有1至4个碳原子);R.sub.4为氢,有1至6个碳原子的烷基和--(CH.sub.2).sub.z--C.sub.6H.sub.5,其中z为1至4的整数;R.sub.5为氢,甲基或乙基;R.sub.6为氢,--(CH.sub.2).sub.y-羧基烷氧基,其中烷氧基中有1至4个碳原子,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.6H.sub.5,其中x为1至4的整数;和--CO(CH.sub.2).sub.x-1--C.sub.6H.sub.5;R.sub.0为氧代,亚甲基或有2至4个碳原子的烷二氧基;R'为R或R.sub.0;Z为(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(alk.sub.1)和(alk.sub.2)分别为有1至9个碳原子的烷基,但要求(alk.sub.1)加(alk.sub.2)的碳原子总数不大于9;m和n分别为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I,II和IV化合物的药物可接受的酸盐和式II,III和IV化合物的缩醛,其中缩醛基团具有2至4个碳原子。