反应详情

A mixture of 2,4,5-trichloroaniline (39.3 g.), methane sulfonyl chloride (22.9 g. ) and 100 ml. of xylene were heated together under reflux conditions for 18 hours. The mixture was then allowed to cool, which formed a brown precipitate. The product was worked up in the same manner as set forth in Example 1 to yield 24.0 g. of product, m.p. 144°-145° C.

1. temperatureto cool
2. customwhich formed a brown precipitate
3. customto yield 24.0 g