反应详情

The product of Example 237A (0.301 g, 1.22 mmol), 4-mercaptophenol (0.184 g, 1.46 mmol, 1.2 eq) and cesium carbonate (0.952 g, 2.92 mmol, 2.4 eq) in dimethylformamide (10 mL) was heated in a 100° C. oil bath for 3 hours and then cooled to room temperature. Water (20 mL) was added and the mixture was stirred at room temperature for 2 hours, and the resulting solid was isolated by vacuum filtration and dried to provide the title compound (0.405 g, 94%) as a yellow solid.

1. customthe resulting solid was isolated by vacuum filtration
2. customdried