Stereoselective hydrogenation process for preparing...

Details Stereoselective hydrogenation process for preparing... Stereoselective hydrogenation process for preparing...

C - Chemistry, Metallurgy

07

D

C07D 295/08 (2006.01)

Patent

CA 2611035

This invention provides an improved process for preparing cis-6-phenyl-5-[4-(2- pyrrolidin-1 -yl-ethoxy)-phenyl]-2-methoxy-5,6,7,8-tetrahydronaphthalene hydrochloride 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.

L'invention concerne un procédé amélioré de préparation de is-6-phényl-5-[4-(2- pyrrolidin-1 -yl-éthoxy)-phényl]-2-méthoxy-5,6,7,8-tétrahydronaphtalène qui est un intermédiaire pour la préparation de (-)-cis-6-phényl-5-[4-(2-pyrrolidin-1 -yl-éthoxy)-phényl]- 5,6,7,8-tétrahydronaphtalène-2-ol, utilisé pour le traitement de l'ostéoporose.

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