Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

1980-11-17

1982-09-14

Rizzo, Nicholas S.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

424246, 544 21, C07D50136, A61K 31545

Patent

active

043496725

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: 4091211 (1978-05-01), Montavon et al.
patent: 4144391 (1979-03-01), Hatfield
patent: 4200745 (1980-04-01), Katner

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