反应详情

To a solution of EXAMPLE 564A (944 mg, 3.38 mmol) in dichloromethane (10 mL) was added 1-iodopyrrolidine-2,5-dione (798 mg, 3.55 9 mmol). The reaction mixture was stirred at room temperature for 3 hours and directly loaded on a flash column, eluting with hexane first and then with 0-50% hexane in dichloromethane. The title compound was obtained as a white solid.

1. washeluting with hexane first