申请人:Warner-Lambert Company
公开号:US05245068A1
公开(公告)日:1993-09-14
The present invention is directed to compounds of the following general Formula I, methods for using the compounds of Formula I, pharmaceutical compositions thereof, and processes for preparing the compounds. ##STR1## wherein X is oxygen or sulfur; wherein R is hydrogen, a straight or branched alkyl group having from 1 to 8 carbon atoms or benzyl; wherein each of R.sub.1 and R.sub.2 is phenyl, substituted phenyl, naphthyl, substituted naphthyl, an aralkyl group, a 5- or 6-membered monocyclic or fused bicyclic heterocyclic group, or a hydrocarbon chain having from 1 to 20 carbon atoms and from 1 to 3 double bonds.
本发明涉及如下通式I的化合物、使用公式I化合物的方法、由此制备的药物组合物以及制备这些化合物的方法。 ##STR1## 其中,X是氧或硫;其中R是氢、具有1至8个碳原子的直链或支链烷基或苄基;其中R1和R2各自是苯基、取代苯基、萘基、取代萘基、芳烷基、5或6元单环或融合的双环杂环基团,或具有1至20个碳原子和1至3个双键的碳氢链。