PROCESS FOR PREPARING ( 4 - SUBSTITUTED PHENYL) - {4 - METHOXY - 2 2- (2 - PHENYL - 1, 3 DIOXOLAN - 2 - YL) - ETHYL PHENYL} - METHANONE {2 - 4 - (6 - METHOXY - 2 - PHENYL - 1, 2, 3, 4 - TETRAHYDRONAPHTHALEN - 1 - YL) PHENOXY ETHYL} PYRROLIDINE

摘要

This invention an improved process for cis-1-(2-(4-(6-metoxy-2-pheniyl-1,2,3,4-tetrahydronaphtalen-1-yl)phenoksy)etil)pyrrolidin which is an intermediate for the preparation of (-)cis-6-phenyl-5-(4-(2-pyrrolidin-1-yl-ethoxy)phenyl)-5,6,7,8-tetrahydronaphthalene-2-ol which is useful for the treatment of osteoporosis.