Nano indium oxide catalyzed tandem cyclization of amidine with nitroolefin

被引：31
作者：
Mitra, Shubhanjan [1 ]
Bagdi, Avik Kumar [1 ]
Majee, Adinath [1 ]
Hajra, Alakananda [1 ]
机构：
[1] Visva Bharati, Dept Chem, Santini Ketan 731235, W Bengal, India
来源：
TETRAHEDRON LETTERS | 2013年 / 54卷 / 36期
关键词：
Nano indium oxide; Imidazole; Nitroolefin; Amidine; Cyclization; ONE-POT SYNTHESIS; C-H; RECYCLABLE CATALYST; EFFICIENT; IMIDAZOLES; ACID; BENZIMIDAZOLES; CHEMISTRY; ALDEHYDES; CHLORIDE;
D O I：
10.1016/j.tetlet.2013.07.050
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A tandem cyclization of amidine with nitroolefin has been described using nano In2O3 as an efficient catalyst. The reaction is effective for the preparation of 4,5-unsymmetrically substituted 1-H imidazole in moderate to good yields. The catalyst was successfully reused for four consecutive cycles with similar catalytic activities. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4982 / 4985
页数：4
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