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

页码：2573 / 2575

页数：3

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