Process for preparing sodium cefoxitin

Details Process for preparing sodium cefoxitin Process for preparing sodium cefoxitin

2006-06-21

2009-10-20

Berch, Mark L (Department: 1624)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07605256

ABSTRACT:
Cefalotin is methoxylated in position 7α, desacetylated and then carbamoylated in position 3, to provide acid cefoxitin without any isolation of intermediate products. The acid cefoxitin is then transformed into the sodium salt by means of ion exchange resin.

REFERENCES:
patent: 2006/0252928 (2006-11-01), Deshpande et al.
patent: 2009/0093032 (2009-04-01), Tagliani et al.
patent: 2004CH00303 (2004-04-01), None
patent: 156026 (1989-05-01), None
patent: WO 2004/083217 (2004-09-01), None
PL156026 Translation (1989).

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