申请人:Yissum Research Development Company of the Hebrew University of Jerusalem
公开号:US05880157A1
公开(公告)日:1999-03-09
The present invention relates to derivatives of 2,2,3,3-tetramethylcyclopropane carboxylic acid (TMCA) of general formula (I), ##STR1## wherein R is lower alkyl group (C.sub.1 -C.sub.6), an aryl group, an aralkyl group or an amide of general formula (II), ##STR2## where R.sub.1 and R.sub.2 are the same or different and may be hydrogen, a alkyl group (C.sub.1 -C.sub.6), an aryl group or an aralkyl group, and n=0-3, to their racemic mixtures and the D and L enantiomers. The invention also relates to processes for the preparation of said compounds and for pharmaceutical preparations comprising the same. The new compounds show improved activity against epilepsy.
本发明涉及2,2,3,3-四甲基环丙烷羧酸(TMCA)的衍生物,其一般式为(I),其中R是较低的烷基(C.sub.1 -C.sub.6)、芳基、芳基烷基或一般式(II)的酰胺,其中R.sub.1和R.sub.2相同或不同,可以是氢、烷基(C.sub.1 -C.sub.6)、芳基或芳基烷基,n=0-3,以及它们的外消旋混合物和D和L对映体。该发明还涉及所述化合物的制备方法和包含它们的药物制剂的制备方法。这些新化合物显示出对癫痫的改进活性。