[EN] TOSYLATE SALTS OF 4-(p-FLUOROPHENYL)-PIPERIDINE-3-CARBINOLS<br/>[FR] TOSYLATES DE 4-(P-FLUOROPHENYL)-PIPERIDINE-3-CARBINOLS
申请人:SYNTHON BV
公开号:WO2001085688A1
公开(公告)日:2001-11-15
A process for purifying a compound of formula (1) from a des-fluoroimpurity of formula (7) wherein R in both compounds (1) and (7) represents a hydrogen atom, a lower alkyl group, an aryl group, an aralkyl group, an alkoxycarbonyl group or an aryloxycarbonyl group, which comprises the step of reacting a compound of formula (1) with toluene sulfonic acid.