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Efficient Copper‐Catalyzed Annulation of 2‐Formylazoles with 2‐Haloanilines for the Synthesis of Pyrrole‐ and Imidazole‐Fused Quinoxalines
Author(s) -
Li Zihao,
Yan Nannan,
Xie Jianwei,
Liu Ping,
Zhang Jie,
Dai Bin
Publication year - 2015
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201500115
Subject(s) - chemistry , annulation , imidazole , catalysis , pyrrole , copper , combinatorial chemistry , medicinal chemistry , organic chemistry
Promoted by CuI/2‐hydroxybenzohydrazide catalytic system, a variety of pyrrole‐ and imidazole‐fused quinoxalines have been efficiently one‐pot synthesized from pyrrole‐/imidazole‐2‐carboxaldehyde and 2‐haloanilines in moderate to excellent yields.