.alpha.-Amino deoxy clavulanic acid antibacterial agents

Details .alpha.-Amino deoxy clavulanic acid antibacterial agents .alpha.-Amino deoxy clavulanic acid antibacterial agents

1979-09-04

1982-11-16

Berch, Mark L.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Parasitic organism or component thereof or substance...

2602453, 542420, C07D49804, A61K 3142

Patent

active

043594735

ABSTRACT:
The compounds of the formula (XVII) ##STR1## and their esters wherein R.sub.2 is a hydrogen, fluorine, chlorine or bromine atom or an alkyl group of 1-3 carbon atoms, an alkoxyl group of 1-3 carbon atoms, an acyloxyl group of 1-3 atoms, a hydroxyl group, an alkoxycarbonyl group containing 1-3 carbon atoms in the alkoxy part, or a group --N(R.sub.5)CO.R.sub.6, --N(R.sub.5)SO.sub.2 R.sub.6 or --CO-NR.sub.5 R.sub.6 where R.sub.5 is a hydrogen atom or an alkyl group of 1-3 carbon atoms or a phenyl or benzyl group and R.sub.6 is an alkyl group of 1-3 carbon atoms or a phenyl or benzyl group; R.sub.3 is a hydrogen, fluorine or chlorine atom or an alkyl group of 1-3 carbon atoms, an alkoxyl group of 1-3 carbon atoms; or an acyloxyl group of 1-3 carbon atoms R.sub.4 is a hydrogen fluorine or chlorine atom or an alkyl group of 1-3 atoms or an alkoxyl group of 1-3 carbon atoms; and X is a bond or alkylene group of 1-4 carbon atoms; have been found to be .beta.-lactamase inhibitors and antibacterial agents. Their preparation and use is described.

REFERENCES:
patent: 4078067 (1978-03-01), Christensen
patent: 4256638 (1981-03-01), Ponsford et al.

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