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JOURNALS // Mendeleev Communications // Archive

Mendeleev Commun., 2009 Volume 19, Issue 5, Pages 276–278 (Mi mendc3198)

This article is cited in 24 papers

Ionic-liquids-assisted reaction of 6-aryl-1,5-diazabicyclo[3.1.0]hexanes with β-nitrostyrenes

Yu. S. Syroeshkinaa, V. V. Kachalaa, I. V. Ovchinnikova, V. V. Kuznetsova, Yu. V. Nelyubinab, K. A. Lyssenkob, N. N. Makhovaa

a N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
b A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation

Abstract: 5,6-Diaryl-2,3-dihydro-1H-pyrazolo[1,2-a]pyrazolium tetrafluoroborates (hexafluorophosphate) were unexpectedly synthesized along with expected 1,3-diaryl-2-nitrotetrahydro-1H,5H-pyrazolo[1,2-a]pyrazoles, under the action of 1-nitro-2-(3-nitrophenyl)-ethylene on 6-aryl-1,5-diazabicyclo[3.1.0]hexanes in ionic liquids with the Et2O·BF3 catalyst, whereas the same reaction with unsubstituted β-nitrostyrene produced only 1,3-diaryl-2-nitrotetrahydro-1H,5H-pyrazolo[1,2-a]pyrazole derivatives.

Language: English

DOI: 10.1016/j.mencom.2009.09.016



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