A new method for the synthesis of 2-arylbenzothiazoles by the reaction of d
ibenzyl disulfides with o-aminothiophenol is suggested. A possible mechanis
m of the new transformation is discussed. 2-Phenylbenzothiazole call also b
e prepared by reactions of o-aminothiophenol with benzyl mercaptane or sodi
um benzyl thiosulfate.