Novel antibiotics derivatives and process for preparing the same

Details Novel antibiotics derivatives and process for preparing the same Novel antibiotics derivatives and process for preparing the same

1976-12-17

1978-07-25

Demers, Arthur P.

Harness for working animal

544 20, 544 21, 195 80R, 424246, C07D50120

Patent

active

041030834

ABSTRACT:
Novel antibiotics derivatives 7-(5-acylamido-5-carboxyvaleramido)-3-(.alpha.-methoxy-p-acyloxycinnamoylo xymethyl)-7-methoxy-3-cephem-4-carboxylic acids and the salts thereof which are useful as antibiotics and intermediates for the preparation of cephamycin derivatives, a process for preparing the same, and a process for recovering the cephamycin derivatives effectively and stably from the fermentation broth in the form of an N-acyl derivative.

REFERENCES:
patent: 2505374 (1950-04-01), Wirtel et al.
patent: 3297692 (1967-01-01), Flynn
patent: 3351597 (1967-11-01), Higgens
patent: 3452096 (1969-06-01), Paleveda, Jr. et al.
patent: 3718644 (1973-02-01), Weston et al.
patent: 3852277 (1974-12-01), Jacobus et al.
patent: 3914157 (1975-10-01), Stapley et al.
patent: 4007178 (1977-02-01), Berges

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