7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporin

Details 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporin 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporin

1986-07-22

1988-01-05

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D50118

Patent

active

047177675

ABSTRACT:
This invention relates to a 7-amino-3-(pyrazinylmethyl)- or (pyridazinylmethyl)-cephalosporins of the formula: ##STR1## wherein R.sup.1 represents a hydrogen atom or a carboxyl-protecting group; R.sup.2 represents a group of the formula: ##STR2## in which R.sup.6 represents a hydrogen atom, a C.sub.1-5 alkyl group or a di-C.sub.1-5 alkylamino group; R.sup.13 represents a C.sub.1-5 alkyl group; and R.sup.28 represents an amino group.

REFERENCES:
patent: 4423213 (1983-12-01), Takaya et al.
patent: 4431803 (1984-02-01), Kukalja et al.
patent: 4489072 (1984-12-01), Sadaki et al.
patent: 4614819 (1986-09-01), Nagai et al.
Takeda, Derwent Abstract, 65150.

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