C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/102, 260/111
C07D 499/04 (2006.01) C07D 499/00 (2006.01) C07D 501/18 (2006.01)
Patent
CA 1146538
Abstract A process is provided for removing the acyl sidechain from penicillins and cephalosporins which comprises chlorinating the acyl compound and treating the resulting iminochloride with an o-aminothiophenol to obtain the corresponding 6.beta.-aminopenicillin or 7.beta.- aminocephalosporin.
354388
Cimarusti Christopher M.
Slusarchyk William A.
Osler Hoskin & Harcourt Llp
Squibb (e.r.) & Sons Inc.
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