3,7-Disubstituted cephalosporins

Details 3,7-Disubstituted cephalosporins 3,7-Disubstituted cephalosporins

1977-05-16

1979-04-10

Rizzo, Nicholas S.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 27, 424246, C07D50136

Patent

active

041489969

ABSTRACT:
7-Acylamino-3-pyrazinylthiomethyl-3-cephem-4-carboxylic acids are disclosed having the general formula: ##STR1## wherein R is an alkyl having from 1 to 5 carbon atoms or ##STR2## wherein Y = Y.sup.1 = H

REFERENCES:
patent: 3960849 (1976-06-01), Breuer
patent: 4007173 (1977-02-01), Hoover et al.
patent: 4016159 (1977-04-01), Bormann et al.
patent: 4039536 (1977-08-01), Takano et al.

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