Novel thiol esters and process for preparing cephalosporin compo

Details Novel thiol esters and process for preparing cephalosporin compo Novel thiol esters and process for preparing cephalosporin compo

1979-03-08

1981-03-24

Rollins, Alton D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2602071, 424246, 424270, 544 27, 546170, 546276, 548105, 548110, 548112, A01N 4382, A61K 31425, C07D41712, C07D50156

Patent

active

042581958

ABSTRACT:
An 1,3,4-thiadiazole-5-thiol ester of the formula, ##STR1## wherein R is a hydrogen atom or a methyl group, a process for their preparation and a process for preparing a cephalosporin compound of the formula, ##STR2## wherein R is the same as defined above, using the above described 1,3,4-thiadiazole-5-thiol ester.

REFERENCES:
patent: 3278531 (1966-10-01), Cox et al..
patent: 3516997 (1970-06-01), Takano et al.
patent: 4107168 (1978-08-01), Okorodudu
Kurita et al., Chem. Abstracts, vol. 75, Abstract No. 20420p (1971).
Takano et al., Chem. Abstacts, vol. 76, Abstract No. 14563s (1972).
Bison et al., Chem. Abstracts, vol. 83, Abstract No. 58836g (1975).

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