反应详情

A solution of the product from Example 10B (340 mg, 1.80 mmol), and the product of Example 63A (480 mg, 1.80 mmol) in acetic acid (10 mL) was stirred in an oil bath preheated to 130° C. for 30 minutes. The mixture was then cooled to room temperature, the acetic acid removed under vacuum leaving a brown oil as the title compound (0.65 g, 89%).

1. customthe acetic acid removed under vacuum