反应详情

A mixture of 3-chloro-5-methylbenzoic acid (9.4 g) and phosphorus pentachloride (11.6 g) is stirred at room temperature for 1 hour and then distilled to yield phosphorus oxychloride, b.p. 45°/85 mm and 3-chloro-5-methylbenzoyl chloride, b.p. 56°/0.1 mm (10 g).

1. distillationdistilled