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,其通式为(I):##STR1## 其中R为较低的烷基(C.sub.1-C.sub.6)、芳基、芳基烷基或通式(II)的酰胺:##STR2## 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,还包括它们的外消旋混合物和D和L对映体。本发明还涉及制备上述化合物和包含它们的制药制剂的方法。新化合物对癫痫的活性有所提高。