Efficient Homocoupling of Aryl- and Alkenylboronic Acids in the Presence of Low Loadings of [{Pd(μ–OH)Cl(IPr)}2],Synlett

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Efficient Homocoupling of Aryl- and Alkenylboronic Acids in the Presence of Low Loadings of [{Pd(μ–OH)Cl(IPr)}2]
Synlett ( IF 1.7 ) Pub Date : 2018-07-10 , DOI: 10.1055/s-0036-1591602
Cezary Pietraszuk ₁ , Sylwia Ostrowska ₁ , Szymon Rogalski ₁ , Jan Lorkowski ₁ , Jędrzej Walkowiak ₂

Affiliation

NHC–palladium(II) complex [{Pd(μ–OH)Cl(IPr)}2] (IPr = bis(2,6-diisopropylphenyl)imidazolin-2-ylidene) catalyzes the oxidative coupling of a broad spectrum of aryl- and alkenylboronic acids at loadings down to 5 ppm. At the concentration of 0.05 mol% the catalyst permits an efficient reaction under base-free conditions.

中文翻译：

[{Pd(μ–OH)Cl(IPr)}2] 低负载下芳基和烯基硼酸的高效均偶联

NHC-钯（II）配合物 [{Pd(μ-OH)Cl(IPr)}2]（IPr = 双（2,6-二异丙基苯基）咪唑啉-2-亚基）催化广谱芳基-和烯基硼酸，负载量低至 5 ppm。在 0.05 mol% 的浓度下，催化剂允许在无碱条件下进行有效反应。

更新日期：2018-07-10

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