3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids a

Details 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids a 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids a

1985-06-24

1987-11-24

Naff, David M.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

540222, A61K 31545, C07D50122, C07D50124

Patent

active

047089555

ABSTRACT:
This invention provides novel cephalosporanic acids and esters thereof having the general formula ##STR1## wherein R.sup.2 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, cyclo(lower)alkyl or acyl, R.sup.3 is hydrogen, lower alkyl, lower alkoxy, lower alkanoyloxy, and

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patent: 4307233 (1981-12-01), Farge et al.
patent: 4396618 (1983-08-01), Heymes
patent: 4559334 (1985-12-01), Takaya
patent: 4585860 (1986-04-01), Takaya
Dunn, J. Antimicrobial Chemotherapy, (1982), 10, Supple. C, pp. 1-10.

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