Journal of Heterocyclic Chemistry p. 1329 - 1331 (2000)
Update date:2022-08-22
Topics:
Xia
Tang
Zhou
Reactions of the 1,2-diaryl 4,5-dihydroimidazolium, represented by 3-methyl-1-(4-nitrophenyl)-2-phenyl-4,5-dihydroimidazolium iodide 1, with ethylenediamine afforded a benzylidyne unit transferred product, 2-phenyl-2-imidazoline 2; a ring-opened adduct 4 was produced when excess ethylenediamine was used. Reactions of 1 with hydroxylamine, malononitrile, and nitromethane anions produced ring-opened products, 5, 7, and 8 respectively.
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