C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 209/52 (2006.01)
Patent
CA 2672268
A process for purifying the alpha-keto amide is (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 via a bisulfite adduct is disclosed.
La présente invention concerne un procédé de purification d'un alpha-céto-amide qui est le (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]hexane-2(S)-carboxamide à l'aide d'un produit d'addition de bisulfite.
Iwama Tetsuo
Park Jeonghan
Sudhakar Anantha R.
Wong George S. K.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Schering Corporation
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