PROCESS FOR THE PREPARATION OF OPTICALLY PURE PHENYLALANINE

Title:

PROCESS FOR THE PREPARATION OF OPTICALLY PURE PHENYLALANINE

Document Type and Number:

WIPO Patent Application WO1999058493

Kind Code:

A3

Abstract:

A process for the preparation of optically pure D- or L-phenylalanine consisting of the crystallisation from acetic acid of a mixture enantiomerically enriched in one of the two enantiomers is described.

Inventors:

ALLEGRINI PIETRO (IT)
BARRECA GIUSEPPE (IT)
ROSI ALESSANDRO (IT)
SORIATO GIORGIO (IT)

Application Number:

PCT/EP1999/002862

Publication Date:

January 27, 2000

Filing Date:

April 28, 1999

Export Citation:

Click for automatic bibliography generation Help

Assignee:

ZAMBON SPA (IT)
ALLEGRINI PIETRO (IT)
BARRECA GIUSEPPE (IT)
ROSI ALESSANDRO (IT)
SORIATO GIORGIO (IT)

International Classes:

C07C227/30; C07C229/36; (IPC1-7): C07C227/34; C07C229/36

Foreign References:

US4847409A	1989-07-11
US4262092A	1981-04-14

Other References:

J. JACQUES, A. COLLET, S. H. WILLEN: "Enantiomers, Racemates, and Resolutions", 1991, KRIEGER, MALABAR, US, XP002122203

Download PDF:

View/Download PDF PDF Help

Previous Patent: ETHOXYLATED QUATERNARY ESTER COMPOUNDS

Next Patent: PROCESS FOR THE PREPARATION OF S- N,N'- BIS[2- HYDROXY-1- (HYDROXYMETHYL) ETHYL]-5- [(2- HYDROXY-1- ...