Oxacephalosporins

Details Oxacephalosporins Oxacephalosporins

1981-11-19

1983-01-18

Raymond, Richard

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 69, C07D49804

Patent

active

043693156

ABSTRACT:
New oxacephalosporins of the general formula ##STR1## in which R.sub.1 is a protective radical and (a) R.sub.4 is a substituted 2-(2-aminothiazol-4-yl)-acetyl radical of which the amine group is protected, or an .alpha.-carboxyarylacetyl radical, and R" is hydrogen or methoxy in the 7.alpha.-position, or alternatively

REFERENCES:
patent: 4143038 (1979-03-01), Narisada et al.
patent: 4201782 (1980-05-01), Narisada et al.
patent: 4304774 (1981-12-01), Katner

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