Preparation of...

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C - Chemistry, Metallurgy

07

C

C07C 205/02 (2006.01) C07C 205/03 (2006.01) C07C 205/15 (2006.01) C07C 205/51 (2006.01) C07C 229/22 (2006.01) C07C 229/28 (2006.01) C07C 231/02 (2006.01) C07C 231/14 (2006.01) C07C 237/14 (2006.01)

Patent

CA 2672570

Disclosed is a process for preparing 3-(amino)-3-cyclobutylmethyl-2-hydroxy-propionamide hydrochloride, an intermediate useful in the preparation of the HCV protease inhibitor (1R,5S)-N-[3-amino-1-(cyclobutylmethyl)-2,3-dioxopropyl]-3-[2(S)-[[[(1,1-dimethylethyl)amino]carbonyl]amino]-3,3-dimethyl-1-oxobutyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-2(S)-carboxamide.

L'invention concerne un procédé de préparation du chlorhydrate de 3-(amino)-3-cyclobutylméthyl-2-hydroxy-propionamide, un intermédiaire utile dans la préparation de l'inhibiteur de la protéase HCV (1R,5S)-N-[3-amino-1-(cyclobutylméthyl)-2,3-dioxopropyl]-3-[2(S)-[[[(1,1- diméthyléthyl)amino]carbonyl]amino]-3,3-diméthyl-1-oxobutyl]-6,6- diméthyl-3-azabicyclo[3.1.0]hexan-2(S)-carboxamide.

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