Gl. Lu et Ym. Zhang, SYNTHESIS OF UNSYMMETRIC ALPHA-( 2-ARYLCARBONYL-1-PHENYLHYDRAZINO) DIORGANYL SELENIDES AND SULFIDES VIA BENZOTRIAZOLE INTERMEDIATES PROMOTED BY SMI2, Synthetic communications, 28(24), 1998, pp. 4501-4506
Unsymmetric alpha-(2-arylcarbonyl-l-phenylhydrazino) diorganyl selenid
es and sulfides are synthesized through nucleophilic displacement of a
benzotriazolate anion by selenolates and thiolates promoted by SmI2.