V. Padmavathi et al., PHENACYL ARYL SULFONES AS SYNTHONS FOR 1,2,3-SELENADIAZOLES AND THIADIAZOLES, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 36(11), 1997, pp. 1062-1065
4-Aryl-5-arylsulfonyl-1,2,3-selenadiazole 4a-1 and 4-aryl-5-arylsulfon
yl-1,2,3-thiadiazole 5a-1 have been prepared from phenacyl aryl sulfon
es (2a-1). The 4 on pyrolysis yields 1-arylsulfonyl-2-aryl acetylenes
6a-1.