Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

1982-06-30

1983-10-11

Rizzo, Nicholas S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

424246, 544 27, 544 21, C07D50136

Patent

active

044093870

ABSTRACT:
There are presented cephalosporin derivatives of the formula ##STR1## wherein X is the group ##STR2## R is hydrogen or a readily hydrolyzable ester or ether group and n stands for 1 or 2, as well as salts of these compounds and hydrates of these compounds and salts.

REFERENCES:
patent: 4178443 (1979-12-01), Montavon et al.
patent: 4200745 (1980-04-01), Katner
patent: 4327210 (1982-04-01), Montavon et al.
patent: 4329454 (1982-05-01), Lunn

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