Synthesis of Pyrido[1,2-a]benzimidazoles through a Copper-Catalyzed Cascade C-N Coupling Process

被引:65
作者
Wu, Zhiqing [1 ]
Huang, Qing [1 ]
Zhou, Xiangge [1 ]
Yu, Lintao [1 ]
Li, Zhengkai [1 ]
Wu, Di [1 ]
机构
[1] Sichuan Univ, Inst Homogeneous Catalysis, Coll Chem, Chengdu 610064, Peoples R China
基金
中国国家自然科学基金;
关键词
Copper; Cross-coupling; Heterocycles; Domino reactions; Cyclization; EFFICIENT; ARYLATION; IMIDAZOLES; LIGANDS; SYSTEM; BENZO; ARYL;
D O I
10.1002/ejoc.201100834
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A simple and efficient method for the preparation of pyrido[1,2-a]benzimidazoles by a copper-catalyzed inter- and intramolecular C-N coupling cascade process was designed and carried out, and the products were obtained in moderate to excellent yields (up to 93%).
引用
收藏
页码:5242 / 5245
页数:4
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