92844-66-1Relevant academic research and scientific papers
Facile Access to Multiaryl-1H-pyrrol-2(3H)-ones by Copper/TEMPO-Mediated Cascade Annulation of Diarylethanones with Primary Amines and Mechanistic Insight
Wang, Xing,Zhang, Chen-Yang,Tu, Hai-Yang,Zhang, Ai-Dong
, p. 5243 - 5247 (2016/11/13)
A straightforward approach to an array of multiaryl-1H-pyrrol-2(3H)-ones featuring an α-diarylated all-carbon quaternary center was developed by using diarylethanones and primary amines as the raw materials. A complete mechanism involving a CuO/TEMPO-mediated multistep cascade process with an inherent delicate balance of substituent electronic effect is proposed. Moreover, this class of multiaryl β,γ-unsaturated γ-lactams demonstrates an intriguing aggregation-induced emission effect valuable for potential application in developing luminescent materials.
Electro-oxidation of Diarylacetylenes and Diaryldiacetylenes
Cariou, Michel,Simonet, Jacques
, p. 445 - 446 (2007/10/02)
Diarylacetylenes led to 1,2-diaroyl-1,2-diarylethylenes and diaryldiacetylenes led to a mixture of acetylenic α- and γ-diketones, by anodic oxydation in MeCN-LiClO4 on a graphite plate electrode.
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.
