Heterocyclic substituted penicillin antibiotics

Details Heterocyclic substituted penicillin antibiotics Heterocyclic substituted penicillin antibiotics

1987-07-22

1990-04-17

Lone, Werren B.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514195, 540316, 540328, 540335, 544332, 546311, 546312, 546338, 548128, A61K 3143, C07D49946, C07D23902, C07D21353, C07D28508

Patent

active

049180673

ABSTRACT:
The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt or in-vivo hydrolysable ester thereof: ##STR1## wherein R.sup.1 is a 5 or 6 membered sulphur and/or nitrogen containing heterocyclic group substituted by an optionally protected amino group, with the proviso that R.sup.1 is not 2-aminothiazol-4-yl, and R is hydrogen; optionally substituted C.sub.1-12 alkyl; optionally substituted C.sub.2-12 alkenyl or alkynyl; carbocyclyl; aryl or heterocyclyl.
These compounds have antibacterial properties, and therefore are of use in the treatment of bacterial infections in humans and animals caused by a wide range of organizations.

REFERENCES:
patent: 3932385 (1976-01-01), Cook
patent: 3936443 (1976-02-01), Gregson et al.
patent: 3991046 (1976-11-01), Gregson et al.
patent: 4394384 (1983-07-01), Takaya et al.
patent: 4692518 (1987-09-01), Lord
Chemical Abstracts, vol. 83: 147474e (1975).
Chemical Abstracts, vol. 107: 217358k (1987).

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