反应详情

6.2 ml (0.03 mol) of diphenylphosphoryl chloride were added to 6.3 g (0.03 mol) of 2-amino -4trichloromethylpyridine and 60 ml of pryidine at 0° C. After 12 hours at 25° C., the reaction mixture was added to 200 ml of 5% strength hydrochloric acid. The colorless precipitate formed was isolated. 7.0 g (53%) of the desired product were obtained. Mp.: 134°-136° C.; Active Ingredient Example 1.016

1. customThe colorless precipitate formed
2. customwas isolated