Cephalosporin compounds

Details Cephalosporin compounds Cephalosporin compounds

1974-10-22

1976-12-14

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, 260243C, C07D50120

Patent

active

039975282

ABSTRACT:
Antibacterial cephalosporin compounds of the following formula: ##STR1## wherein A and B each is a hydrogen, organic or inorganic acyl, or A and B combined together are a diacyl group derived from a polybasic acid; Y is a hydrogen or methoxy; R is a hydrogen or lower alkyl; R' is a hydrogen, alkali metal, organic base group or easily removable protecting group; m is 0 or 1; Z is an optionally substituted guanylhydrazono group, preparable from the corresponding oxo compound or its reactive derivative by reacting with a guanylhyrazine of the formula H.sub.2 Z or its reactive derivative, or by some other reactions.

REFERENCES:
patent: 3516997 (1970-06-01), Takano et al.
patent: 3872115 (1975-03-01), Sugimoto et al.

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