申请人:Beecham Group Limited
公开号:US04234726A1
公开(公告)日:1980-11-18
Compounds of the formula (I): ##STR1## or a pharmaceutically acceptable salt thereof wherein the NR.sub.1 R.sub.2 moiety is a 5-, 6-, or 7-membered saturated heterocyclic ring; R.sub.3 is hydrogen, alkyl of 1 to 4 carbon atoms or acyl of 1 to 4 carbon atoms; R.sub.4 is naphthyl or phenyl unsubstituted or substituted by one or two substituents selected from the group consisting of fluorine, chlorine, bromine, methoxyl, benzyloxyl, trifluoromethyl, methyl, cyano, nitro, acetoxyl, amino, methylamino, ethylamino, dimethylamino, diethylamino, acetamide, hydroxyl, methoxycarbonyl, ethoxycarbonyl, carboxamido, sulphonamido, carboxy, trifluoromethylthio, trifluoromethoxyl, methylsulphonyl, trifluomethylsulphonyl and methylthio; R.sub.5 is hydrogen or alkyl of 1 to 4 carbon atoms; R.sub.6 is hydrogen or alkyl of 1 to 4 carbon atoms; X is oxygen and the dotted line represents a single or double bond.
化合物的公式(I):##STR1## 或其药学上可接受的盐,其中NR.sub.1 R.sub.2基团是5、6或7成员饱和杂环环;R.sub.3是氢、1至4个碳原子的烷基或1至4个碳原子的酰基;R.sub.4是萘基或苯基,未取代或取代一个或两个取代基,所述取代基选自氟、氯、溴、甲氧基、苄氧基、三氟甲基、甲基、氰基、硝基、乙酰氧基、氨基、甲氨基、乙氨基、二甲基氨基、二乙基氨基、乙酰胺、羟基、甲氧羰基、乙氧羰基、羧酰胺、磺酰胺、羧基、三氟甲硫基、三氟甲氧基、甲基磺酰基、三氟甲基磺酰基和甲硫基;R.sub.5是氢或1至4个碳原子的烷基;R.sub.6是氢或1至4个碳原子的烷基;X是氧,点线表示单键或双键。