Tetrahedron Letters

Copper powder-catalyzed N-arylation of imidazoles in water using 2-(hydrazinecarbonyl) pyridine N-oxides as the new ligands

FT Wu, NN Yan, P Liu, JW Xie, Y Liu, B Dai

Index: Wu, Feng-Tian; Yan, Nan-Nan; Liu, Ping; Xie, Jian-Wei; Liu, Yan; Dai, Bin Tetrahedron Letters, 2014 , vol. 55, # 21 p. 3249 - 3251

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Citation Number: 12

Abstract

Abstract 2-(2-Hydrazinecarbonyl) pyridine N-oxides, which were derived from pyrrole-2- carbohydrazides and pyridine N-oxides, were synthesized and utilized as the ligands for copper powder-catalyzed N-arylation of imidazoles with aryl halides in water. Imidazoles