Palladium-catalyzed hydrostannylation of α-heteroalkynes and alkynyl esters in ionic liquids

被引：6
|
作者：
Cai, Mingzhong [1 ]
Wang, Yongguang [1 ]
Hao, Wenyan [1 ]
机构：
[1] Jiangxi Normal Univ, Sch Chem & Chem Engn, Nanchang 330022, Peoples R China
来源：
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2008年 / 2008卷 / 17期
关键词：
hydrostannylation; palladium; alpha-heteroalkynes; alkynyl esters; ionic liquids; regioselectivity;
D O I：
10.1002/ejoc.200701204
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Palladium-catalyzed hydrostannylation reactions of alpha-hetero-alkynes and alkynyl esters were achieved with high regio and stereoselectively in the ionic liquid 1-butyl-3-methyl-imidazolium hexafluorophosphate ([bmim][PF6]) at 60 degrees C in high yields. Our system not only avoids the use of highly toxic benzene or volatile THF as solvent but also solves the basic problem of palladium catalyst reuse. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008).
引用
收藏
页码：2983 / 2988
页数：6
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