Ru(II)-catalyzed chemo- and regioselective cyclotrimerization of three unsymmetrical alkynes through boron temporary tether. One-pot four-component coupling via cyclotrimerization/Suzuki-Miyaura coupling

被引:160
作者
Yamamoto, Y [1 ]
Ishii, JI
Nishiyama, H
Itoh, K
机构
[1] Nagoya Univ, Dept Appl Chem, Grad Sch Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Nagoya Univ, Dept Mol Design & Engn, Grad Sch Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
关键词
D O I
10.1021/ja049673y
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The Ru(II)-catalyzed [2+2+2] cyclotrimerization of alkynylboronates, propargyl alcohol, and terminal alkynes proceeded chemo- and regioselectively to give rise to arylboronates, which were subjected to Suzuki?Miyaura cross-coupling with aryliodides to afford highly substituted biaryls in 53?76% yields. Copyright © 2004 American Chemical Society.
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页码:3712 / 3713
页数:2
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