T. Zincke, Ber. 44, 769 (1911).
Formation of sulfenyl halides by three essentially similar methods involving the action of chlorine or bromine on aryl disulfides, thiophenols, or arylbenzyl sulfides:

T. Zincke et al., ibid. 45, 471 (1912); 51, 751 (1918); Ann. 391, 55 (1912); 400, 1 (1913); 406, 103 (1914); 416, 86 (1918); M. H. Hubacher, Org. Synth. coll. II, 455 (1943); N. Kharasch et al., Chem. Rev. 39, 283 (1946); A. Sch"oberl, A. Wagner, Houben-Weyl 9, 268 (1955); E. Kühle, Synthesis 1970, 561.