Process for the preparation of aryl-piperidine esters

Details Process for the preparation of aryl-piperidine esters Process for the preparation of aryl-piperidine esters

C - Chemistry, Metallurgy

07

D

260/290.1, 260/2

C07D 211/60 (2006.01) C07D 211/22 (2006.01) C07D 211/36 (2006.01) C07D 213/80 (2006.01)

Patent

CA 1290340

Abstract A process is disclosed for the preparation of a compound of formula (I): Image ( I ) where Ar is aryl or substituted aryl and R3 and R4 are the same or different and each is alkyl, which process comprises hydrogenating a compound of formula (II): Image (II) wherein Ar, R3 and R4 are as defined with respect to formula (I) and Hal is a halogen atom. Compounds of formula (I) are useful as chemical intermediates.

515597

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