申请人:Schering Aktiengesellschaft
公开号:US05064854A1
公开(公告)日:1991-11-12
Compounds of general Formula I are disclosed ##STR1## wherein R.sup.1 is C.sub.1-4 -alkyl, R.sup.3 is hydrogen, C.sub.1-4 -alkyl, acyl, aryl, R.sup.5 is hydrogen, C.sub.1-4 -alkyl, X is oxygen, CH.sub.2 or NR.sup.4 with R.sup.4 =hydrogen, C.sub.1-4 -alkyl and Y is an aromatic or nonaromatic ring system which can optionally contain one to two hetero atoms and can be substituted, and the stereoisomers and their mixtures, as well as their preparation and use as medicinal agents.
通用式I的化合物被披露,其中R.sup.1是C.sub.1-4-烷基,R.sup.3是氢,C.sub.1-4-烷基,酰基,芳基,R.sup.5是氢,C.sub.1-4-烷基,X是氧,CH.sub.2或NR.sup.4,其中R.sup.4=氢,C.sub.1-4-烷基,Y是一个含有一到两个杂原子的芳香或非芳香环系统,可以选择性地含有取代基,以及其立体异构体及其混合物,以及它们的制备和用途作为药用剂。