Am. Churakov et al., A NOVEL REACTION OF 1-ARYL-2(ALPHA,BETA-UNSATURATED)DIAZENE 1-OXIDES WITH HYDROGEN-CHLORIDE, Mendeleev communications, (6), 1994, pp. 220-221
Treatment of 1-aryl-2-(2-R-ethenyl)diazene 1-oxides 1 with hydrogen ch
loride gives arylhydrazones of 2-chloro-2-R-acetylchloride, which yiel
d 1-aryldiazenyl-1-chloro-2-phenylethenes after HCl elimination.