反应详情

3-{4-[3-(4-Aminophenyl)-2-oxo-2H-pyridin-1-ylmethyl]phenyl}propionic acid ethyl ester (P8, 60 mg, 0.16 mmol) and o-tolyl isocyanate (40 [2 L, 0.32 mmol) were stirred at room temperature in dichloromethane (5 mL) for 3 hours, then the reaction mixture was concentrated. Trituration with diethyl ether afforded the title compound as a solid.

1. concentrationthe reaction mixture was concentrated