1,1-dioxo-cephem-4-carbothiolic acid derivatives

Details 1,1-dioxo-cephem-4-carbothiolic acid derivatives 1,1-dioxo-cephem-4-carbothiolic acid derivatives

1991-10-22

1994-10-18

Rizzo, Nicholas

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

514200, 514203, 540221, 540222, 540225, 540226, C07D50120, A61K 31545

Patent

active

053568885

ABSTRACT:
There are provided compounds I ##STR1## wherein A is a hydrogen atom or an organic group,

REFERENCES:
patent: 4547371 (1985-10-01), Doherty et al.
patent: 4547371 (1985-10-01), Doherty et al.
patent: 4623645 (1986-11-01), Doherty et al.
patent: 5077286 (1991-12-01), Bissolino et al.
patent: 5258377 (1993-11-01), Maiti et al.
Chemical Abstracts, vol. 89, No. 23, 4 Dec. 1978 (Columbus, Ohio, US), R. Matsueda: "A mild and efficient method for the esterification of cephalosporanic acids", see p. 621, abstract No. 197431h, & Chem. Lett. 1978, (9), 979-82.
The Journal of Antibiotics, (1985), 38, pp. 1273-1276, "Cephalosporins Containing Carbohydrates", Miskolci et al.

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