Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-11-23
1976-07-06
Coughlan, Jr., Paul M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
424246, C07D50104, C07D50118
Patent
active
039681092
ABSTRACT:
A new method of producing 2-(thio substituted) cephalosporin derivatives comprises treating a cephem sulfoxide with an electrophilic sulfur reagent in the presence of a strong base. The cephem sulfoxides produced by this step are useful as intermediates, which by reduction of the sulfoxide group, yield 2-(thio substituted) cephalosporins having useful antimicrobial activity.
REFERENCES:
patent: 3660395 (1972-05-01), Wright et al.
patent: 3852282 (1974-12-01), Dolfini
Dolfini Joseph Edward
Koster William Henry
Coughlan, Jr. Paul M.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Smith Merle J.
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