申请人:B.D.H. Pharmaceuticals Ltd.
公开号:US03997590A1
公开(公告)日:1976-12-14
Cyclohexenone esters of the general formula I ##STR1## or pharmaceutically acceptable acid addition salts thereof, wherein, X is oxygen or sulphur, R.sub.1 is 1. alkyl, 2. cycloalkyl, 3. alkenyl, 4. alkynyl, 5. aralkyl, 6. aryl, 7. pyridyl, 8. ##STR2## or 9. - (CH.sub.2).sub.m Y in which Y is perhalogenoalkyl, hydroxy, hydroxyalkoxy, hydroxyalkoxyalkoxy, alkoxy, alkoxyalkoxy, acyloxy or alkoxycarbonyl, or Y is -S(CH.sub.2).sub.n OZ, in which Z is acyl, m and n each represent integers of 1 to 3 R.sub.2 is 1. hydrogen, 2. alkyl, optionally substituted by alkoxy or alkoxycarbonyl, 3. alkoxycarbonyl, 4. cycloalkyl, 5. cycloalkenyl, 6. aryl, aralkyl, or aralkenyl in which the aryl portion may be substituted by alkyl, alkoxy, alkoxyalkyl, methylenedioxy, alkoxycarbonyl, perhalogenoalkyl, nitro, halogen, nitrile, aryl, dialkylaminocarbonyl, amino, alkylamino, dialkyamino or aralkoxy, 7. a saturated or unsaturated heterocyclic ring containing one or more heteroatoms and which ring may be substituted by alkyl, 8. ##STR3## OR 9. ##STR4## R.sub.3 is 1. HYDROGEN, 2. alkyl, which may be substituted with alkoxycarbonyl, carboxyl, amino, alkylamino, dialkylamino, or heterocyclic, 3. alkenyl which may be substituted with alkylcarbonyl or alkoxycarbonyl, 4. alkynyl, or 5. aralkyl, R.sub.4 is 1. alkyl, 2. alkoxyalkyl, 3. alkenyl, or 4. aralkyl, R.sub.5 is Hydrogen, alkyl, aryl or alkoxycarbonyl, and R.sub.6 is Hydrogen, alkyl or aryl; With the proviso that when R.sub.1 and R.sub.4 are ethyl, and R.sub.3, R.sub.5 and R.sub.6 are hydrogen then R.sub.2 may not be a methyl. These compounds have biological activity, particularly as anaesthetics.
通用公式I的环己烯酮酯为##STR1##或其药学上可接受的酸盐,其中X为氧或硫,R.sub.1为1. 烷基,2. 环烷基,3. 烯基,4. 炔基,5. 芳基烷基,6. 芳基,7. 吡啶基,8.##STR2##或9. - (CH.sub.2).sub.m Y,其中Y为全氟烷基,羟基,羟基烷氧基,羟基烷氧基烷氧基,烷氧基,烷氧基烷氧基,酰氧基或烷氧羰基,或Y为-S(CH.sub.2).sub.n OZ,其中Z为酰基,m和n分别表示1到3的整数,R.sub.2为1. 氢,2. 烷基,可选择地被烷氧基或烷氧羰基取代,3. 烷氧羰基,4. 环烷基,5. 环戊二烯基,6. 芳基,芳基烷基或芳基烯基,其中芳基部分可被烷基,烷氧基,烷氧基烷基,亚甲二氧基,烷氧羰基,全氟烷基,硝基,卤素,腈基,芳基,二烷基氨基羰基,氨基,烷基氨基,二烷基氨基或芳基氧基取代,7. 含有一个或多个杂原子的饱和或不饱和杂环,该环可能被烷基取代,8.##STR3##或9.##STR4##,R.sub.3为1. 氢,2. 烷基,可被烷氧羰基,羧基,氨基,烷基氨基,二烷基氨基或杂环取代,3. 烯基,可被烷基羰基或烷氧羰基取代,4. 炔基,或5. 芳基烷基,R.sub.4为1. 烷基,2. 烷氧基烷基,3. 烯基,或4. 芳基烷基,R.sub.5为氢,烷基,芳基或烷氧羰基,R.sub.6为氢,烷基或芳基;但当R.sub.1和R.sub.4为乙基,且R.sub.3,R.sub.5和R.sub.6为氢时,R.sub.2不能为甲基。这些化合物具有生物活性,尤其作为麻醉剂。