Antibacterial penicillins and cephalosporins

Details Antibacterial penicillins and cephalosporins Antibacterial penicillins and cephalosporins

1984-07-05

1987-08-04

Lone, Werren B.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514201, 540221, 540224, 540225, 540226, 540227, 540228, 540328, 540331, 544 90, 544 92, 544390, 546121, 560 20, 560 21, 560 39, 560 41, 562444, A61K 3143, A61K 31495, A61K 31545, C07D49950, C07D49954, C07D50124

Patent

active

046846395

ABSTRACT:
A compound having the partial structure (I) ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and each is hydrogen or a group --COR.sup.5 or --CO--OR.sup.5 wherein R.sup.5 represents an optionally substituted hydrocarbon group; R.sup.3 is halogen and R.sup.4 is hydrogen, methoxy, hydroxymethyl or formamido.
These compounds are suitably bicyclic .beta.-lactam antibiotics.

REFERENCES:
patent: 3489751 (1970-01-01), Crast
patent: 3860631 (1975-01-01), Gleason et al.
patent: 4206116 (1980-06-01), Naito et al.
patent: 4349551 (1982-09-01), Bentley et al.
patent: 4416883 (1983-11-01), Bentley
patent: 4447422 (1984-05-01), Taylor et al.
patent: 4454128 (1984-06-01), Wetzel et al.
patent: 4539149 (1985-09-01), Milner

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