Citric Acid → 4'-Trifluoromethyl-biphenyl-2-carboxylic acid [4-[4-(3-cyano-benzyl)-piperazin-1-yl]-phenyl]-amide citrate salt

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Reaction Steps

To a solution of 4′-trifluoromethyl-biphenyl-2-carboxylic acid [4-[4-(3-cyano-benzyl)-piperazin-1-yl]-phenyl]-amide (0.2 g) in MeOH (15 mL) was added citric acid (71 mg) and the resulting solution was stirred at room temperature. The solution was then evaporated to dryness and the solid was triturated in Et2O, filtered and dried to give the title compound (0.15 g) as a white powder.

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