.beta.-lactam antibacterial agents

Details .beta.-lactam antibacterial agents .beta.-lactam antibacterial agents

1985-01-24

1989-10-31

Lone, Werren B.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514201, 540200, 540221, 540301, 540304, 540312, 540314, 540315, 540335, 540346, 540347, A61K 3143, A61K 31545, C07D49944, C07D50142

Patent

active

048777838

ABSTRACT:
.beta.-Lactam antibiotics having an .alpha.-formamido substituent on the carbon atom adjacent to the carbonyl group of the .beta.-lactam ring and in particular bicyclic compounds having the partial structure: ##STR1## Intermediates and processes for the preparation of the compounds are further disclosed.

REFERENCES:
patent: 3937655 (1976-02-01), Pfeiffer et al.
patent: 3962214 (1976-06-01), Goodman
patent: 3974150 (1976-08-01), Cook et al.
patent: 4062842 (1977-12-01), Dolfini
patent: 4281117 (1981-07-01), Chauvette et al.

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