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.
新的外消旋体和光学活性异构体以及[4H]-1,3-苯并二氧杂环戊二酸化合物的混合物,其化学式为##STR1##其中R.sub.1选自由氢、1至5个碳原子的烷基、烷基为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、无毒的药学可接受胺、2,3-二羟基丙基和(2,2-二甲基-1,3-二氧杂环戊-4-基)-甲基,R.sub.2选自由氢和1至5个碳原子的烷基,R.sub.3和R.sub.6分别选自由氢、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形成环己基,R.sub.5选自由氢和卤素或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分别选自由氢、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,但要求当R.sub.3为烷基时,至少一个R.sub.4和R.sub.5不是氢或卤素,当R.sub.3为氢时,至少一个R.sub.4和R.sub.5不是氢、卤素或--CF.sub.3,以及其非毒性、药学可接受的酸盐,当R.sub.1为二烷基氨基烷基时,具有明显的降脂活性,降低血浆中脂质、三酸甘油脂和胆固醇的水平,以及它们的制备。