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Synthesis of Pyrido[1,2‐ a ]benzimidazoles through a Copper‐Catalyzed Cascade C–N Coupling Process
Author(s) -
Wu Zhiqing,
Huang Qing,
Zhou Xiangge,
Yu Lintao,
Li Zhengkai,
Wu Di
Publication year - 2011
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.201100834
Subject(s) - chemistry , cascade , intramolecular force , catalysis , copper , coupling (piping) , combinatorial chemistry , process (computing) , medicinal chemistry , stereochemistry , organic chemistry , metallurgy , computer science , materials science , chromatography , operating system
A simple and efficient method for the preparation ofpyrido[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 %).