申请人:Pfizer Inc.
公开号:US04243674A1
公开(公告)日:1981-01-06
9-Hydroxydibenzo[b,d]pyrans useful as analgesics, hypotensives, immunosuppressants, tranquilizers; as anti-secretory and anti-anxiety drugs; intermediates therefor and derivatives thereof having the formulae ##STR1## wherein R is hydrogen or alkanoyl having from one to five carbon atoms; R.sub.1 is hydrogen, 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 selected from piperidino, pyrrolo, pyrrolidino, morpholino and N-alkylpiperazino having from one to four carbon atoms in the alkyl group; each of R.sub.4 and R.sub.5 is hydrogen, methyl or ethyl; R.sub.0 is oxo or alkylenedioxy having from two to four carbon atoms; 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) has from 1 to 9 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 O, S, SO or SO.sub.2 ; and W is methyl, phenyl, p-chlorophenyl, p-fluorophenyl, pyridyl, piperidyl, cycloalkyl having from 3 to 7 carbon atoms, or monosubstituted cycloalkyl wherein the substituent is phenyl, p-chlorophenyl or p-fluorophenyl; with the proviso that when W is methyl, Z is --(alk.sub.1).sub.m --X--(alk.sub.2).sub.n --.
9-羟基二苯并[b,d]吡喃可用作镇痛剂、降压剂、免疫抑制剂、镇静剂;作为抗分泌和抗焦虑药物;其中间体和衍生物具有以下式子:##STR1## 其中R是氢或具有1至5个碳原子的脂肪酰基;R.sub.1是氢,具有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分别为氢或具有1至4个碳原子的烷基时;当R.sub.2和R.sub.3与它们连接的氮一起形成选自哌啶基,吡咯基,吡咯烷基,吗啉基和N-烷基哌嗪基的5-或6元杂环环;R.sub.4和R.sub.5中的每一个都是氢,甲基或乙基;R.sub.0为氧代或具有2至4个碳原子的亚烷基二氧基;Z为(a)具有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)具有1至9个碳原子,但(alk.sub.1)加上(alk.sub.2)的碳原子总和不大于9;m和n中的每一个都是0或1;X为O,S,SO或SO.sub.2;W为甲基,苯基,对氯苯基,对氟苯基,吡啶基,哌啶基,具有3至7个碳原子的环烷基或单取代环烷基,其中取代基为苯基,对氯苯基或对氟苯基;但当W为甲基时,Z为--(alk.sub.1).sub.m --X--(alk.sub.2).sub.n --。