Process for preparing 2-(substituted phenyl) - 2 -...

Details Process for preparing 2-(substituted phenyl) - 2 -... Process for preparing 2-(substituted phenyl) - 2 -...

C - Chemistry, Metallurgy

07

C

C07C 269/04 (2006.01) C07B 53/00 (2006.01) C07C 33/46 (2006.01) C07C 43/178 (2006.01) C07C 69/734 (2006.01) C07C 69/757 (2006.01) C07C 269/06 (2006.01) C07C 271/12 (2006.01) C07C 271/16 (2006.01)

Patent

CA 2471485

The invention concerns a new process for preparing (S)-(+)-2-(substituted phenyl)-2-hydroxy-ethyl carbamates and to novel intermediates used in this process. It further relates to polymorphic forms of said carbamates and to processes for preparing said polymorphic forms.

Cette invention a trait à un nouveau procédé de préparation de (S)-(+)-2-(phényle substitué)-2-hydroxy-éthyle carbamates ainsi qu'à de nouveaux intermédiaires utilisés dans le cadre de ce procédé. Elle porte également sur des formes polymorphes de ces carbamates ainsi que sur des procédés de préparation de ces formes polymorphes.

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