Process for the preparation of...

Details Process for the preparation of... Process for the preparation of...

2011-06-07

2011-06-07

Desai, Rita J (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S326000, C546S095000

Reexamination Certificate

active

07956201

ABSTRACT:
The present invention relates to a process of the preparation of (S)-4-fluoromethyl-dihydro-furan-2-one of the formulaby employing a dialkylmalonate of the formulawherein R1bis lower alkyl, and the use of this process for the manufacture of DPP-IV inhibitors that are useful for the treatment and/or prophylaxis of diseases such as diabetes.

REFERENCES:
patent: 5629432 (1997-05-01), Shepherd
patent: WO 2005/000848 (2005-01-01), None
patent: WO 2006/125728 (2006-11-01), None
Hughes, G. et al,Jour. Am. Chem. Soc. (2003) 125, 11253-11258.

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