C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 49/84 (2006.01) C07D 295/088 (2006.01) C07D 317/22 (2006.01) C07D 317/26 (2006.01)
Patent
CA 2555051
This invention provides compounds 3-[2-(4- benzyloxy-benzoyl)-5-methoxy-phenyl]-1-phenyl-propan-1-one and (4-benzyloxy-phenyl)-{4-methoxy-2-[2-(2-phenyl- [1,3]dioxolan-2-yl)-ethyl]-phenyl}-methanone, and a method of producing a compound of the formula: Image wherein R is a protected hydroxyl group or Image These compounds are useful 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.
Pfizer Products Inc.
Smart & Biggar
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