Method for producing 2-(substituted thio)-3-cephem derivatives

Details Method for producing 2-(substituted thio)-3-cephem derivatives Method for producing 2-(substituted thio)-3-cephem derivatives

1973-11-12

1976-03-02

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50104, C07D50122

Patent

active

039417794

ABSTRACT:
Treatment of a 7-imido-3-cephem carboxylic acid ester with a thiolating agent in the presence of a strong base yields a 4-(substituted thio)-2-cephem derivative which can be made to rearrange by use of a strong acid to obtain a 2-substituted thio-2-cephem derivative which has antimicrobial activity.

REFERENCES:
patent: 3660395 (1972-05-01), Wright et al.

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