C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/103, 260/113
C07D 499/12 (2006.01) C07D 501/20 (2006.01)
Patent
CA 1082171
Abstract of the Disclosure A process for the preparation of penam and cephem deriva- tives by reacting a phosphite amide of a 6-aminopenicillanic acid or 7-aminocephalosporanic acid with an acyl halide in an aprotic solvent in the presence of a phosphite halide scavenger. - 1 -
282340
Borrevang Poul
Guddal Erling
Fetherstonhaugh & Co.
Novo Industri A/s
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