反应详情

Pivaloyl chloride (5.17 ml, 1.05 eq.) was added to a solution of trans-3-(3-pyridyl)acrylic acid (5.96 g, 40 mmol) and triethylamine (5.6 ml, 40 mmol) in dichloromethane (80 ml) and stirred at room temperature for 10 minutes. A solution of dl-α-aminomethyl-3-hydroxybenzylalcohol hydrochloride (7.58 g, 40 mmol) and triethylamine (11.1 ml, 80 mmol) in dichloromethane (80 ml) was added and stirred at room temperature for 1 hour. The precipitated crystal was collected to yield the titled compound (7.51 g, 66%).

1. stirringstirred at room temperature for 1 hour
2. customThe precipitated crystal was collected