Abstract:
Ionic liquids facilitate regio- and stereoselective [3 + 2] cycloaddition of 1-hetaryl-2-nitroethenes to azomethine imines generated catalytically from 6-Ar-1,5-diazabicyclo[3.1.0]hexanes in the presence of BF3 Et2O. The similar reaction is possible in MeCN only for azomethine imine with Ar = 2,4-(MeO)2C6H3 to give a mixture of two diastereomers.
Citation:
M. I. Pleshchev, M. A. Epishina, V. V. Kachala, V. V. Kuznetsov, A. S. Goloveshkin, I. S. Bushmarinov, N. N. Makhova, “Ionic liquid-promoted stereoselective [3 + 2] cycloaddition of 1-hetaryl-2-nitroethenes to azomethine imines generated in situ”, Mendeleev Commun., 23:4 (2013), 206–208
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https://www.mathnet.ru/eng/mendc2663
https://www.mathnet.ru/eng/mendc/v23/i4/p206
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