反应详情

To a solution of 2-chloro-N-(2,4,6-trimethyltetrahydro-2H-pyran-4-yl) acetamide obtained in Example 9-3 (1.85 g) in ethanol/acetic acid (5/1, 15 mL), was added thiourea (705 mg) at room temperature. The reaction mixture was heated at reflux for 2 hrs.

1. temperatureThe reaction mixture was heated
2. temperatureat reflux for 2 hrs