反应详情

温度

80 °C

A mixture of 57.5 g (250 mmol) of p-chlorobenzotrichloride, 1.5 g (9.2 mmol) of iron(III) chloride and 28 g (272 mmol) of sulphur dichloride was warmed to 80° C. for 3 hours. Thereafter, it was worked up in the manner indicated in Example 1. 34 g of 3,4-dichlorobenzotrichloride were thus obtained.