Ni(I)-Ni(III) cycle in Buchwald-Hartwig amination of aryl bromide mediated by NHC-ligated Ni(I) complexes

被引：48

作者：

Inatomi, Takahiro ^{[1
]}

Fukahori, Yukino ^{[1
]}

Yamada, Yuji ^{[1
]}

Ishikawa, Ryuta ^{[1
]}

Kanegawa, Shinji ^{[2
]}

Koga, Yuji ^{[1
]}

Matsubara, Kouki ^{[1
]}

机构：

[1] Fukuoka Univ, Dept Chem, 8-19-1 Nanakuma, Fukuoka, Fukuoka 8140180, Japan

[2] Kyushu Univ, Inst Adv Mat Chem & Engn, 744 Motooka, Fukuoka, Fukuoka 8190395, Japan

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2019年 / 9卷 / 08期

基金：

日本学术振兴会;

关键词：

HETEROATOM BOND FORMATION; NICKEL(I) COMPLEXES; CATALYZED TRIFLUOROMETHYLTHIOLATION; OXIDATION-STATE; 3-COORDINATE; HALIDES; ACTIVATION; REACTIVITY; ELECTROPHILES; RELEVANT;

D O I：

10.1039/c8cy02427h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Intermediate amide complexes of NHC-ligated monovalent nickel in Buchwald-Hartwig amination of aryl halides were isolated and structurally characterized. The amide complexes reacted with aryl bromide to form a cross-coupling product. Low-temperature observation of the oxidative addition product of the Ni(I) amide complex with aryl bromide indicated the presence of a Ni(III) intermediate. The results showed that a well-defined mononuclear NHC-Ni(I) complex can act as a key intermediate in homogeneous catalysis.

引用

页码：1784 / 1793

页数：10

共 81 条

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