Indium trichloride catalyzed efficient one-pot synthesis of highly substituted furans

被引：19
|
作者：
Dey, Sumit [1 ]
Nandi, Debkumar [1 ]
Pradhan, Prasun K. [1 ]
Giri, Venkatachalam Sesha [1 ]
Jaisankar, Parasuraman [1 ]
机构：
[1] Indian Inst Chem Biol, Unit CSIR, Dept Med Chem, Kolkata 700032, W Bengal, India
来源：
TETRAHEDRON LETTERS | 2007年 / 48卷 / 14期
关键词：
indium trichloride; furans; cyclization; dehydration;
D O I：
10.1016/j.tetlet.2007.02.019
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A one-pot synthesis of the substituted furans 3 could be achieved in good yields by reacting but-2-ene-1,4-diones 1 with acetoacetates 2 in the presence of a catalytic amount of InCl3 (20 mol %) using i-PrOH as solvent at 80-90 degrees C for 4-8 h. InCl3 was observed to give the optimum results among the various Lewis acids examined. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2573 / 2575
页数：3
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