反应详情

A mixed solution of 2-oxo-2-phenylethyl thiocyanate (5.67 g, 32.0 mmol), water (3.2 ml), concentrated sulfuric acid (0.832 ml) and acetic acid (26 ml) was stirred at 130° C. for 2 hours and at room temperature for 2 hours. A formed precipitate was collected by filtration and washed with water to give 4.78 g (84.3%) of the desired product.

1. filtrationA formed precipitate was collected by filtration
2. washwashed with water