Process for the efficient preparation of n-substituted...

Details Process for the efficient preparation of n-substituted... Process for the efficient preparation of n-substituted...

C - Chemistry, Metallurgy

07

C

C07C 233/91 (2006.01) C07C 231/14 (2006.01) C07C 233/47 (2006.01) C07C 253/30 (2006.01) C07C 255/30 (2006.01)

Patent

CA 2201893

A process for the preparation of N-substituted dehydroamino acid esters by contacting a .beta.-hydroxy-.alpha.-amino acid ester or N- or O-substituted .beta.-hydroxy-.alpha.-amino acid ester with an excess of acetic anhydride and a base is disclosed.

Procédé pour la préparation d'esters de déhydroaminoacides N-substitués qui consiste à mettre en contact un ester de .beta.-hydroxy-.alpha.-aminoacide ou .beta.-hydroxy-.alpha.-aminoacide N- ou O-substitué avec un excès d'anhydride acétique et une base.

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