Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1982-03-01
1984-07-17
Coughlan, Jr., Paul M.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544 16, 544 22, 544 23, A61K 31545, C07D50124
Patent
active
044605820
ABSTRACT:
The present invention provides a compound of the formula (I): ##STR1## and pharmaceutically acceptable salts and in-vivo hydrolysable esters thereof wherein R.sup.1 is carboxy, R.sup.2 is hydrogen or carboxy, R.sup.3 is hydrogen, acyl, C.sub.1-6 akyl or C.sub.2-6 alkenyl, any of such R.sup.3 groups being optionally substituted, and R.sup.4 is an amino or protected amino group.
Processes for the preparation of these compounds are described as is their use in the treatment of bacterial infection.
REFERENCES:
patent: 3932465 (1976-01-01), Peter et al.
patent: 4264595 (1981-04-01), Numata et al.
patent: 4298606 (1981-11-01), Ochiai et al.
Beecham Group p.l.c.
Coughlan, Jr. Paul M.
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