Process for the racemisation of...

Details Process for the racemisation of... Process for the racemisation of...

C - Chemistry, Metallurgy

07

D

C07D 211/70 (2006.01) A61K 31/44 (2006.01) A61P 25/24 (2006.01) C07D 471/08 (2006.01)

Patent

CA 2420579

A process for the racemisation of enantiomerically enriched 1-benzyl-4-(4- fluorophenyl)-3-hydroxymethyl-1,2,3,6-tetrahydropyridine which is a useful intermediate in the preparation of paroxetine. Formula (A) means that the compound (I) has an enantiomeric excess of one enantiomer over the other enantiomer. R1 and R2 are defined as in claim 1.

L'invention concerne un procédé de racémisation de 1-benzyl-4-(4-fluorophényl)-3-hydroxyméthyl-1,2,3,6-tetrahydropyridine éniantomériquement enrichi, lequel est un produit intermédiaire utile dans la préparation de la paroxetine. La formule (A) signifie que le composé (I) contient un énantiomère de plus par rapport à l'autre enantiomère. R¿1? Et R¿2? sont tels que définis dans la revendication 1.

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