Acetonitrile → HCID 18930606, compound

Participants

Reaction Steps

Thionyl chloride (4 ml, 55 mmol) is added dropwise to a solution of N-benzyloxy-carbonylglycine (12.6 g, 60 mmol) in hexamethylphosphonyltriamide (70 ml) and acetonitrile (20 ml) under stirring at -4°-5° C., and the stirring at -5° C. is continned for another 10 minutes. 2-Aminobenzophenone (9.86 g, 50 mmol) is added to the reaction mixture in five portions, and the mixture is stirred at room temperature for 3 hours. The reaction mixture is neutralized with a saturated aqueous solution of sodium hydrogencarbonate, and extracted with ethyl acetate. The organic phase is washed with water, dried (magnesium sulfate) and then concentrated under reduced pressure. The resultant raw product is recrystallized from hexane to obtain the title compound 2a (18.89 g, 97.3%).

Provenance & Evidence