Process for ring-chlorinating toluene

Details Process for ring-chlorinating toluene Process for ring-chlorinating toluene

C - Chemistry, Metallurgy

07

C

260/653.5

C07C 17/12 (2006.01) C07C 25/02 (2006.01) C07D 327/08 (2006.01)

Patent

CA 1247140

Abstract of the disclosure: In the ring chlorination of toluene, a particularly high proportion of p-chlorotoluene is obtained by using in addition to the customary Lewis acid catalysts as cocata- lyst a chlorination product of 2,8-dimethylphenoxathiin which comprises in the main 1,3,7,9 tetrachloro-2,8-di- methylphenoxathiin of the formula Image

489726

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