7-.beta.-Ureidoacetamido-oxacephalosporins

Details 7-.beta.-Ureidoacetamido-oxacephalosporins 7-.beta.-Ureidoacetamido-oxacephalosporins

1983-12-27

1985-06-25

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544 90, A61K 31535, C07D49804

Patent

active

045253552

ABSTRACT:
A 7.beta.-ureidoacetamido-7.alpha.-methoxy-3-(1-carbamoylmethyl-1H-tetrazol- 5-yl)thiomethyl-1-dethia-1-oxa-3-cephem-4-carboxylic acid derivative represented by the following formula: ##STR1## wherein Ar is phenyl, hydroxyphenyl, or thienyl and R is hydrogen, a light metal, or a carboxy-protecting group.

REFERENCES:
patent: 4232151 (1980-11-01), Nagata et al.
patent: 4371532 (1983-02-01), Narisada et al.

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