338770-67-5Relevant academic research and scientific papers
Copper-Catalyzed Aerobic Oxidative [2 + 3] Cyclization/Aromatization Cascade Reaction: Atom-Economical Access to Tetrasubstituted 4,5-Biscarbonyl Imidazoles
Xie, Jialin,Huang, Yuanqiong,Song, Hongjian,Liu, Yuxiu,Wang, Qingmin
, p. 6056 - 6059 (2017/11/27)
An atom-economical method for accessing tetrasubstituted 4,5-biscarbonylimidazoles by reaction between glycine derivatives and 5-alkoxyoxazoles is reported. The method, which involves a copper-catalyzed aerobic oxidative [2 + 3] cyclization/aromatization
Copper-exchanged bentonite: A reusable catalysis for the formation of alkoxycarbonyl nitrile ylides under microwave irradiation
Bendedouche, Choukri Kamel,Benhaoua, Hadj
experimental part, p. 149 - 151 (2012/10/18)
Ethyldiazoacetate reacts as a carbene precursor in presence of copper exchanged bentonite. Reaction with excess nitrile gave oxazole derivatives. Their formation is explained by intramolecular 1,5-cyclisation of alkoxycarbonyl substituted nitrile ylide intermediate.
