Process for the preparation of Florfenicol

Details Process for the preparation of Florfenicol Process for the preparation of Florfenicol

2006-06-12

2009-10-13

Kumar, Shailendra (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S133000, C564S134000, C564S135000, C564S211000, C564S218000, C564S223000

Reexamination Certificate

active

07601869

ABSTRACT:
The present invention relates to a method for the preparation of Florfenicol from Fluoroamine compound, namely (1R,2S)-1-[4-(methylsulfonyl)phenyl]-2-amino-3-fluoro-1-propanol (II), by reaction with dihaloacetic acid ester in an organic solvent in presence of an inorganic base.

REFERENCES:
patent: 5567844 (1996-10-01), Jommi et al.
patent: 2005/0075506 (2005-04-01), Handa et al.
Schumacher et al, J. of Organic Chemistry, vol. 55, 1990, 5291-5294.

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