Glycine methyl ester → [2-(3-{3-[(2-chloro-3-trifluoromethyl-benzyl)-diphenylethyl-amino]-propoxy}-phenyl)-ethylamino]-acetic Acid Methyl Ester

Participants

Reaction Steps

To a solution of (3-{3-[(2-chloro-3-trifluoromethyl-benzyl)-diphenylethyl-amino]-propoxy}-phenyl)-acetaldehyde (76 mg, 0.13 mmol) and glycine methyl ester (34 mg, 0.27 mmol) in 1,2-dichloroethane (15 ml) was stirred as room temperature for 10 minutes, and sodium triacetoxyborohydride (57 mg, 0.27 mmol) was added. Next two drops of glacial acetic acid was added. The reaction mixture was stirred at room temperature for 18 hour and then quenched with 0.01N aqueous HCl (15 ml) The biphasic mixture was separated and the aqueous layer was extracted with dichloromethane (3×). The organic layers were combined with the 1,2-dichloroethane solution and were washed with brine (1×), dried over sodium sulphate, filtered and concentrated in vacuo. Preparative HPLC (YMC 75×30 mm, 25 ml/min, 90-100% CH3CN) afforded title compound as an oil, 70 mg (81%).

Provenance & Evidence