31464-86-5Relevant academic research and scientific papers
Reaction of Azibenzils with Nonofluorobutanesulfonic Anhydride
Lorenz, Wolfgang,Maas, Gerhard
, p. 2220 - 2232 (2007/10/02)
Reaction of azibenzils 1a - e with nonafluorosulfonebutanesulfonic anhydride (Nf2O) yields mainly vinylene bis(nonofluorobutanesulfonates) E,Z-2a - e and benzils 3a - e.The presence of a non-nucleophilic amine prevents decomposition of the azibenzils by traces of acid in the anhydride.Compounds 2 stem from an initial O-sulfonylation of the azibenzils, whereas C-sulfonylation perhaps leads to the benzils.Diazodiphenylmethane is decomposed by Nf2O to give tetraphenylethylene, benzophenone, and benzophenone azine.
