[EN] NOVEL PROCESS FOR THE PREPARATION OF 4-ARYL-3-HYDROXYMETHYL-1-METHYLPIPERIDINES. [FR] NOUVEAU PROCEDE DE PREPARATION DE 4-ARYL-3-HYDROXYMETHYL-1-METHYLPIPERIDINES
[EN] NOVEL PROCESS FOR THE PREPARATION OF 4-ARYL-3-HYDROXYMETHYL-1-METHYLPIPERIDINES. [FR] NOUVEAU PROCEDE DE PREPARATION DE 4-ARYL-3-HYDROXYMETHYL-1-METHYLPIPERIDINES