反应详情

Ethoxycarbonylisothiocyanate (16.7 g) was added to a stirred solution of 2-amino-5-brompyridine (20 g) in dioxane (200 mL). The mixture was stirred for 2 h at r.t. A white solid precipitated. Hexane (20 mL) was added and the white solid was collected by filtration.

1. customA white solid precipitated
2. additionHexane (20 mL) was added
3. filtrationthe white solid was collected by filtration