Nickel-catalyzed trans-alkynylboration of alkynes via activation of a boron-chlorine bond

被引：116

作者：

Yamamoto, A ^{[1
]}

Suginome, M ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Synth Chem & Biol Chem, Nishikyo Ku, Kyoto 6158510, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2005年 / 127卷 / 45期

关键词：

D O I：

10.1021/ja055396z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reaction of (diisopropylamino)chloroboryl ethers of alkynols with alkynylstannanes in the presence of nickel catalysts afforded formal trans-alkynylboration products in good yields. The products were isolated as pinacol boronates after treatment of the crude reaction mixture with acetic anhydride and pinacol in the presence of a base. The trans-alkynylboration products underwent Suzuki-Miyaura coupling reaction with organic halides. A 2-borylalkenylnickel(II) complex, in which the boryl and nickel groups are located in a trans fashion, was isolated in a reaction of the chloroboryl ether with a single equivalent of a nickel(0)-phosphine complex. Copyright © 2005 American Chemical Society.

引用

页码：15706 / 15707

页数：2

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