Cephalosporan compounds

Details Cephalosporan compounds Cephalosporan compounds

1974-01-25

1976-02-24

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260243R, 260470, 260483, 424200, 424202, 424230, 424246, C07D50118

Patent

active

039403548

ABSTRACT:
Cephalosporon compounds of the formula ##SPC1##
In the form of racemic mixtures or optically active isomers or in the form of their cis or trans isomers or mixtures thereof wherein R is selected from the group consisting of phenyl substituted with at least one hydroxyl and sydnone optionally substituted with phenyl, R' is selected from the group consisting of hydrogen and R", R" is an ester group easily removable by acid hydrolysis or hydrogenolysis, R.sub.1 and R.sub.2 are alkyl of 1 to 3 carbon atoms, R.sub.3 is selected from the group consisting of hydrogen and alkyl of 1 to 3 carbon atoms, Y is selected from the group consisting of amino and Y', Y' is hydrogen and NHCOOZ, Z is straight or branched alkyl of 1 to 5 carbon atoms and their non-toxic, pharmaceutically acceptable addition salts with organic and inorganic acids and bases where appropriate with the proviso that when Y is amino, R' is hydrogen and when Y is amino or NHCOOZ, R is phenyl which have antibacterial activity and their preparation.

REFERENCES:
patent: 3867379 (1975-02-01), Dolfini et al.

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