反应详情

In a manner similar to that described in Example 32, the product from Example 23 (0.34 g, 1.50 mmol) and benzaldehyde are reacted. Workup, followed crystallization from ether and HCl gave the title compound (0.22 g, 42%) as a white solid mp 235°-237° C.

1. customcrystallization from ether and HCl