.beta.-Lactam antibiotics, their preparation and use

Details .beta.-Lactam antibiotics, their preparation and use .beta.-Lactam antibiotics, their preparation and use

1981-07-08

1983-11-01

Lee, Mary C.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Parasitic organism or component thereof or substance...

2602452T, 424274, 424114, C07D40314, A61K 3141

Patent

active

044130007

ABSTRACT:
The present invention provides the compounds of the formula (II): ##STR1## and salts and esters thereof wherein R.sup.3 is a hydrogen atom or is an organic bonded via a carbon atom to the carbapenem ring, n is zero or one, X is a saturated or unsaturated hydrocarbon radical optionally substituted by bromo or chloro, and R.sup.4 is a C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.1-10 aralkyl or aryl group, any of such groups R.sup.4 being optionally substituted. These compounds are useful as antibacterial agents.

REFERENCES:
patent: 4347368 (1982-08-01), Christensen et al.

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