C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/104.5, 260/1
C07D 499/68 (2006.01) C07D 499/12 (2006.01) C07D 501/06 (2006.01) C07D 501/20 (2006.01)
Patent
CA 1111413
ABSTRACT A process for the preparation of a penicillanic acid or a cephalosporanic acid derivative containing a [D-.alpha.- amino-p-hydroxy phenyl-acetamido] group which comprises acylation of an appropriate silylated derivative of a 6- APA or 7-ACA compound, at a relatively low temperature, with an acylating agent derived from p-hydroxyphenyl gly- cine.
310665
Henniger Peter W.
Kapur Jagdish C.
Van Der Drift Johannes K.
Van Veen Gerard J.
Gist - Brocades N.v.
Osler Hoskin & Harcourt Llp
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