Oximes

Details Oximes Oximes

1981-05-27

1984-03-27

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 22, 544 27, 544 28, 548194, A61K 31545, C07D50134

Patent

active

044394330

ABSTRACT:
Novel oximes of the syn isomers of 7-[2-(2-amino-4-thiazolyl)-acetamido]ceph-3-eme-4-carboxylic acid compounds of the fomrula ##STR1## wherein B is --(CH.sub.2).sub.n' --R.sub.5, n' is an integer from 1 to 4, R.sub.5 is ##STR2## R.sub.6 and R.sub.7 are individually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and when taken together with the nitrogen to which they are attached are selected from the group consisting of phthalimido and 1-pyridinyl, R.sub.1 is selected from the group consisting of chloro, CH.sub.3 O--, alkyl and alkylthio of 1 to 5 carbon atoms, cycloalkyl of 3 to 5 carbon atoms, --CH.sub.2 --S--R.sub.12, acetoxymethyl, carbamoyloxymethyl and ##STR3## R.sub.12 is selected from the group consisting of 2-oxo-(3H)-thiazolin-4-yl-carbonyl, 3-methyl-1,2-oxazol-5-yl-carbonyl, acyl of an alkanoic acid of 2 to 4 carbon atoms and a nitrogen heterocycle, Alka is alkyl of 1 to 4 carbon atoms and A is selected from the group consisting of hydrogen, --NH.sub.4, alkali metal, alkaline earth metal, magnesium, a non-toxic, pharmaceutically acceptable organic amine and easily cleaved ester and their non-toxic, pharmaceutically acceptable acid addition salts; having antibacterial activity and novel intermediates therefore.

REFERENCES:
patent: 4278793 (1981-07-01), Durckheimer et al.
patent: 4284631 (1981-08-01), Takaya et al.

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