Process for preparing 3-hydroxy cephalosporins

Details Process for preparing 3-hydroxy cephalosporins Process for preparing 3-hydroxy cephalosporins

1975-10-29

1977-02-15

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50102

Patent

active

040082300

ABSTRACT:
3-Hydroxycephalosporins are prepared by treating a 3-hydroxy-4-bromo-2-(2-formylthio-4-oxo-3-amido or imido-1-azetidinyl)-2-butenoate ester with mercuric acetate and contacting the resulting reaction mixture with a mercuric ion precipitator.

REFERENCES:
patent: 3917588 (1975-11-01), Chauvette

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