Aminothiazole derivatives

Details Aminothiazole derivatives Aminothiazole derivatives

1975-08-08

1977-02-15

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260243C, 424246, C07D27748

Patent

active

040082466

ABSTRACT:
A compound of the formula: ##STR1## wherein R.sup.1 stands for a halogenoethoxycarbonylamino and R.sup.2 stands for hydrogen or a halogen, is an important intermediate for producing a cephalosporin derivative of the formula: ##STR2## wherein R.sup.3 stands for methyl, acetoxymethyl, carbamoyloxymethyl, an alkoxymethyl, an alkylthiomethyl, 2-carboxy-1-ethenyl, or a heterocyclic thiomethyl, R.sup.5 stands for hydrogen or methoxy and R.sup.2 has the same meaning as defined before, which is active against various pathogenic microorganisms even at a low concentration.

REFERENCES:
patent: 2829084 (1958-04-01), O'Neill et al.
patent: 3705153 (1972-12-01), Kaneko et al.

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