申请人:——
公开号:US04294845A1
公开(公告)日:1981-10-13
Novel racemic mixtures or optically active isomers of 1,3-benzodioxins of the formula ##STR1## wherein R.sub.1 ' is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, --NH.sub.4, aluminum, non-toxic, pharmaceutically acceptable amines, alkyl of 1 to 5 carbon atoms, 2,3-dihydroxypropanyl, (2,2-dimethyl-1,3-dioxolan-4-yl)methyl and dialkylaminoalkyl with alkyls of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and phenyl and R.sub.4 and R.sub.5 are individually selected from the group consisting of hydrogen and halogen, and the non-toxic, pharmaceutically acceptable acid addition salts where R.sub.1 ' is dialkylaminoalkyl, with the proviso that R.sub.2 and R.sub.3 are not hydrogen simultaneously having hypolipemic activity and their preparation.
1,3-苯并二氧杂环的新型外消旋混合物或手性异构体的公式为##STR1##其中R.sub.1'选自氢,碱金属,碱土金属,-NH.sub.4,铝,无毒,药用可接受胺,1至5个碳原子的烷基,2,3-二羟基丙酰基,(2,2-二甲基-1,3-二氧戊二烯-4-基)甲基和烷基为1至4个碳原子的二烷基氨基烷基的群,R.sub.2选自氢和1至5个碳原子的烷基,R.sub.3选自氢,1至5个碳原子的烷基和苯基,R.sub.4和R.sub.5分别选自氢和卤素,以及R.sub.1'为二烷基氨基烷基时的无毒,药用可接受酸加成盐,其中R.sub.2和R.sub.3不同时为氢,具有降脂作用并进行其制备。