NaHSO4-SiO2-catalyzed aza-Diels-Alder reaction of o-hydroxybenzaldimines with 2,3-dihydrofuran: Diastereoselective synthesis of furanobenzopyrans

被引：1

作者：

Mulokwe, Pfanelo ^{[1
]}

Marakalala, Mokgethwa B. ^{[1
]}

Mabasa, Tommy F. ^{[1
]}

Kinfe, Henok H. ^{[1
]}

机构：

[1] Univ Johannesburg, Dept Chem, Res Ctr Synth & Catalysis, POB 524,Auckland Pk Campus,Kingsway Ave, ZA-2006 Johannesburg, South Africa

来源：

SYNTHETIC COMMUNICATIONS | 2017年 / 47卷 / 24期

基金：

新加坡国家研究基金会;

关键词：

Aza-Diels-Alder; furanobenzopyrans; NaHSO4-SiO2; Povarov reaction; ONE-POT SYNTHESIS; SOLVENT-FREE CONDITIONS; SODIUM-HYDROGEN SULFATE; FUSED PYRANOBENZOPYRANS; FERRIER REARRANGEMENT; EFFICIENT CATALYST; SILICA-GEL; DERIVATIVES; ALCOHOLS; CYCLOADDITION;

D O I：

10.1080/00397911.2017.1377257

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

NaHSO4 supported on silica gel catalyzes the aza-Diels-Alder reaction of o-hydroxybenzaldimines with 2,3-dihydrofuran to provide furanobenzopyrans in reasonable yields and diastereoselectivity. The catalyst is recyclable and reusable up to two times without a significant loss of activity. [GRAPHICS] .

引用

页码：2352 / 2359

页数：8

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