C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 501/04 (2006.01) C07D 501/00 (2006.01)
Patent
CA 2302437
The present invention is concerned with a chemical acetylation process for the preparation of 3'-acetylated cephalosporin from desacetylcephalosporin. The novel process is carried out with an acetyl donor and an activator or catalyst.
Cette invention porte sur un procédé d'acétylation aux fins de la préparation de céphalosporine acétylée-3' à partir de désacetyl-céphalosporine. Ce nouveau procédé est mis en oeuvre à l'aide d'un donneur acétyle et d'un activateur ou d'un catalyseur.
Romancik Guna
Usher John J.
Bristol-Myers Squibb Company
Cassan Maclean
LandOfFree
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