Copper-catalyzed synthesis of 2-aminobenzimidazoles from carbonimidoyl dichlorides and amines

• DOI: 10.1016/j.tetlet.2012.07.072
• Publication Date: 2012-07-31T04:29:57Z
• Authors: Hui Yu; Qiong Liu; Yuzhe Li; Chongzhi Ni
• Keywords: Closure (psychology); Guanidine; Derivative (finance)

AbstractThe reaction of o‐haloaryl substituted carbonimidoyl dichlorides with various primary amines produces guanidine intermediates which undergo ring closure in the presence of CuI.