作者:F. Pätzold、F. Zeuner、Th. Heyer、H.-J. Nielas
DOI:10.1080/00397919208021304
日期:1992.1
2-Arylsubstituted benzimidazoles, quinoxalines, in 3,5-position substituted 2,6-dimethylpyridines, and 1,4-bis(alkylamino)-9,10-anthracenediones are easily prepared under mild conditions by means of benzofuroxan as oxidant. Thus, the preparation of 2-arylbenzimidazoles succeeds in acetonitrile at 50-degrees-C in yields of 65 to 78 %.