Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound having a 1-thia-4-aza-bicyclo
Patent
1980-09-19
1982-07-20
Tanenholtz, Alvin E.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing compound having a 1-thia-4-aza-bicyclo
435 50, C12P 3704
Patent
active
043406726
ABSTRACT:
Penicillins and cephalosporins can be synthesized by the action of an acylase on a penicillin or cephalosporin nucleus amine as substrate and an ester (I) of the following formula as the acyl source: ##STR1## (wherein RCO is an acyl group in penicillin or cephalosporin side chains;
REFERENCES:
patent: 3787288 (1974-01-01), Miyamura et al.
patent: 3945888 (1976-03-01), Takahashi et al.
patent: 4073687 (1978-02-01), Kondo et al.
Fujiwara Tamio
Kondo Eiji
Mitsugi Takashi
Muneyuki Ryonosuke
Martinell James
Shionogi & Co. Ltd.
Tanenholtz Alvin E.
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