An easy palladium-catalyzed access to 2-alkylidene-1,4-benzodioxanes

被引：67

作者：

Labrosse, JR ^{[1
]}

Lhoste, P ^{[1
]}

Sinou, D ^{[1
]}

机构：

[1] Univ Lyon 1, Lab Synthese Asymetr, CNRS, CPE Lyon, F-69622 Villeurbanne, France

来源：

TETRAHEDRON LETTERS | 1999年 / 40卷 / 51期

关键词：

cyclization reaction; palladium; propargylic carbonate; benzene-1,2-diol; 2-alkylidene-1,4-benzodioxanes;

D O I：

10.1016/S0040-4039(99)01919-X

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Palladium-catalyzed cyclization of benzene-1,2-diol with various propargylic carbonates led to 2-alkylidene1,4-benzodioxanes in excellent chemical yields. Diphosphines such as dppb, dpppe or dpph, and monophosphines are the best ligands. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：9025 / 9028

页数：4

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