Preparation of 2-fluoroalkylbenzimidazoles from N-aryl trifluoroacetimidoyl (or bromodifluoroacetimidoyl) chlorides and primaryamines has been achieved viacopper(I)-catalyzed tandem reactions.
Organostannyl mediated synthesis of 1-alkyl and 1-sulfonyl-2-trifluoromethylbenzimidazole derivatives
作者:N. Narayanan、T.R. Balasubramanian
DOI:10.1016/0022-328x(92)83130-a
日期:1992.1
The synthesis and characteristics of a new series of 1-alkyl and 1-sulfonyl derivatives of 2-trifluoromethylbenzimidazole through an organostannyl intermediate is described.
Synthesis of 1,2-Disubstituted Benzimidazoles by a Cu-Catalyzed Cascade Aryl Amination/Condensation Process