CRYSTALLINE(-)-3R,4R-TRANS-7METHOXY-2,2-DIMETHYL-3-PHENYL-4-{4-[2- (PYRROLIDIN-1-YL)ETHOXY]PHENY 1}CHROMANE, HYDROGEN MALETE
申请人:——
公开号:US20020004520A1
公开(公告)日:2002-01-10
The present invention provides novel crystalline (−)−3R,4R-trans-7-methoxy-2, 2-dimethyl-3-phenyl-4-{4-[2-(pyrrolidin-1-yl)ethoxy]phenyl}chromane, hydrogen maleate useful for reducing or preventing bone loss as well as pharmaceutical compositions containing the same. A process for preparing (−)−3R,4R-trans-7-methoxy-2,2-dimethyl-3-phenyl-4-{4-[2-(pyrrolidin-1-yl) ethoxy]phenyl}chromane, hydrogen maleate is described.
本发明提供了新型结晶(-)-3R,4R-反式-7-甲氧基-2,2-二甲基-3-苯基-4-{4-[2-(吡咯烷-1-基)乙氧基]苯基}铬烷,马来酸氢,可用于减少或防止骨质流失,以及含有该物质的药物组合物。描述了制备(-)-3R,4R-反式-7-甲氧基-2,2-二甲基-3-苯基-4-{4-[2-(吡咯烷-1-基)乙氧基]苯基}铬烷马来酸氢盐的工艺。