申请人:Roussel Uclaf
公开号:US04281012A1
公开(公告)日:1981-07-28
Novel racemates and optically active isomers and mixtures of isomers of [4H]-1,3-benzodioxin-2-carboxylic acid compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, dialkylamino alkyl with alkyls of 1 to 5 carbon atoms, alkali metal, alkaline earth metal, aluminum, --NH.sub.4, non-toxic pharmaceutically acceptable amines, 2,3-dihydroxypropanyl and (2,2-dimethyl-1,3-dioxolan-4-yl)-methyl, R.sub.2 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, R.sub.3 and R.sub.6 are individually selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms, ethenyl and cyclohexyl and taken together with the carbon atom to which they are attached form cyclohexyl, R.sub.5 is selected from the group consisting of hydrogen and halogen or R.sub.1 and R.sub.2 have the above definitions, R.sub.6 is ##STR2## R.sub.4 and R.sub.5 are individually selected from the group consisting of hydrogen, halogen, --CF.sub.3, cyclohexyl, alkoxy of 1 to 3 carbon atoms, alkyl of 1 to 3 carbon atoms and p-chlorophenoxy and R.sub.3 is selected from the group consisting of 2-propenyl, ethenyl, cyclohexyl, benzyl, hydrogen and alkyl of 1 to 5 carbon atoms with the proviso that when R.sub.3 is alkyl, at least one of R.sub.4 and R.sub.5 is no hydrogen or halogen and when R.sub.3 is hydrogen, at least one of R.sub.4 and R.sub.5 is not hydrogen, halogen or --CF.sub.3 and the non-toxic, pharmaceutically acceptable acid addition salts thereof when R.sub.1 is dialkylaminoalkyl which have a marked hypolipemiant activity and reduces the plasmatic level of lipids, triglycerides and cholestrol and their preparation.
本发明涉及[4H]-1,3-苯并二氧环
戊二酸化合物的新颖外消旋体、光学活性异构体和异构体混合物,其
化学式为##STR1##其中,R.sub.1选自羟基、1至5个碳原子的烷基、具有1至5个碳原子的二烷基
氨基烷基、碱
金属、碱土
金属、铝、--NH.sub.4、无毒药学上可接受的胺、2,3-二羟基丙酰基和(2,2-二甲基-
1,3-二氧戊环-4-基)-甲基;R.sub.2选自氢和1至5个碳原子的烷基;R.sub.3和R.sub.6分别选自氢、1至6个碳原子的烷基、
乙烯基和环己基,并与它们连接的碳原子一起形成环己基;R.sub.5选自氢和卤素,或R.sub.1和R.sub.2具有上述定义,R.sub.6为##STR2##R.sub.4和R.sub.5分别选自氢、卤素、--CF.sub.3、环己基、1至3个碳原子的烷氧基、1至3个碳原子的烷基和对
氯苯氧基;R.sub.3选自2-
丙烯基、
乙烯基、环己基、苄基、氢和1至5个碳原子的烷基,但当R.sub.3为烷基时,R.sub.4和R.sub.5中至少有一个不是氢或卤素,当R.sub.3为氢时,R.sub.4和R.sub.5中至少有一个不是氢、卤素或--CF.sub.3。其中,当R.sub.1为二烷基
氨基烷基时,其非毒性、药学上可接受的酸盐具有显著的降脂作用,可降低血脂、三酰
甘油和
胆固醇水平,且本发明还涉及其制备方法。