Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-04-27
1989-05-02
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514195, 540310, C07D49900, A61K 31425
Patent
active
048268321
ABSTRACT:
Compounds of the formula ##STR1## in which R.sub.1 represents lower alkyl substituted by hydroxy or by protected hydroxy, R.sub.2 represents carboxy or functionally modified carboxy, and R.sub.3 represents optionally substituted 3-pyridyl or optionally substituted 4-pyridyl, and pharmaceutically acceptable salts of such compounds, have antibacterial activity. The compounds of the formula I can be manufactured according to processes known per se.
REFERENCES:
patent: 4272437 (1981-06-01), Menard et al.
patent: 4386030 (1983-05-01), Christensen et al.
patent: 4540580 (1985-09-01), Aponso et al.
patent: 4617300 (1986-10-01), Girijavallabhan et al.
patent: 4623643 (1986-11-01), Alpegiani et al.
Ciba-Geigy Corporation
Fishman Irving M.
Rizzo Nicholas S.
Villamizar JoAnn
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