Direct Imidation to Construct 1H??Benzo [d] imidazole through PdII??Catalyzed C H Activation Promoted by Thiourea

…, WH Wang, G Liu, FK Meng, JH Chen…

Index: Xiao, Qing; Wang, Wen-Hua; Liu, Gang; Meng, Fan-Ke; Chen, Jia-Hua; Yang, Zhen; Shi, Zhang-Jie Chemistry - A European Journal, 2009 , vol. 15, # 30 p. 7292 - 7296

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Citation Number: 97

Abstract

A novel and straightforward method to construct 1H-benzo [d] imidazole was developed b means of PdII-catalyzed intramolecular CÀH activation starting from readily available N- phenylbenzimidamide. The detailed mechanism studies indicated that a palladacycle monomer or dimer is the key intermediate for this transformation and thiourea was first used to prompt the efficiency of CÀH activation. Much attention has been paid to CÀN formation ...

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