Process for preparing 3-amino-5-fluoro-4-dialkoxypentanoic...

Details Process for preparing 3-amino-5-fluoro-4-dialkoxypentanoic... Process for preparing 3-amino-5-fluoro-4-dialkoxypentanoic...

2011-03-15

2011-03-15

Puttlitz, Karl J (Department: 1621)

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

Organic compounds

Carboxylic acid esters

C560S172000, C560S183000, C560S184000

Reexamination Certificate

active

07906676

ABSTRACT:
The present invention relates to a novel process for the production of 3-amino-5-fluoro-4-dialkoxypentanoic acid ester used in the precursor of 3-amino-5-fluoro-4-oxopentanoic acid, represented by the following formula (I): wherein R1 and R2 are as defined in the Description.

REFERENCES:
patent: 6153591 (2000-11-01), Cai et al.
patent: 6200969 (2001-03-01), Fritz et al.
patent: 6566338 (2003-05-01), Weber et al.
patent: WO-99/47154 (1999-09-01), None

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