Cyanobenzenesulfenyl halide and process for preparation of 3-substituted benzisothiazole using the same

摘要

The present invention provides a compound represented by the general formula (I): <IMAGE> (I) wherein X represents Cl or Br, a process for preparation of the same and a process for preparation of 3-substituted benzisothiazole by reaction of the compound (I) with a piperazine compound.