反应详情

The compound of Example b (2.47 g, 10 mmol), diisopropyl amine (2.23 g, 22 mmol), and toluene (25 mL) were combined according to General Method E2. The crude product was recrystallized from ethanol/water to afford 1.75 g of the title compound as a white solid, a 58% yield. m.p. 96-97.5° C.

1. customThe crude product was recrystallized from ethanol/water