A copper- and amine-free Sonogashira-type coupling procedure catalyzed by oxime palladacycles

被引:169
作者
Alonso, DA [1 ]
Nájera, C [1 ]
Pacheco, MC [1 ]
机构
[1] Univ Alicante, Fac Ciencias, Dept Quim Organ, Alicante 03080, Spain
关键词
alkynes; coupling reactions; palladium catalysis;
D O I
10.1016/S0040-4039(02)02335-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Oxime palladacycle derived from 4,4'-dichlorobenzophenone was found to promote the Sonogashira reaction of aryl iodides and aryl bromides with terminal acetylenes using I equivalent of tetrabutylammonium acetate in organic solvents generally in 1 h at 110degreesC and in high TONs (up to 72000). (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:9365 / 9368
页数:4
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