NbCl5-promoted the synthesis of 4H-pyrans through multicomponent reaction

被引：25

作者：

Siqueira, Mayara de Souza ^{[1
]}

da Silva-Filho, Luiz Carlos ^{[1
]}

机构：

[1] Sao Paulo State Univ UNESP, Dept Chem, BR-17033360 Bauru, SP, Brazil

来源：

TETRAHEDRON LETTERS | 2016年 / 57卷 / 46期

基金：

巴西圣保罗研究基金会;

关键词：

Niobium pentachloride; Multicomponent reaction; Pyran derivatives; Lewis acid; ONE-POT SYNTHESIS; EFFICIENT CATALYST; NIOBIUM PENTACHLORIDE; 1,3-DICARBONYL COMPOUNDS; SELECTIVE ACETYLATION; CHLORIDE; NBCL5; ALDEHYDES; DIHYDROPYRIMIDINONES; CYCLOADDITION;

D O I：

10.1016/j.tetlet.2016.10.008

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Multicomponent reactions between beta-ketoesters and benzaldehydes for the synthesis of 4H-pyran derivatives promoted by niobium pentachloride (NbCl5) were carried out, providing good yields and reasonable reaction times under mild reaction conditions. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：5050 / 5052

页数：3

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