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Nucleophilic addition to 3-methyl-1-(4-nitrophenyl)-2-phenyl-4,5-dihydroimidazolium iodide

✍ Scribed by Chizhong Xia; Yiqing Tang; Peiwen Zhou

Publisher
Journal of Heterocyclic Chemistry
Year
2000
Tongue
English
Weight
247 KB
Volume
37
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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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