Efficient N-heterocyclic carbene nickel pincer complexes catalyzed cross coupling of benzylic ammonium salts with boronic acids

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• 作者：Xi-Yu Liu^a ; ¹ ; Hai-Bo Zhu^a ; ¹ ; Ya-Jing Shen^a ; Jian Jiang^a ; Tao Tu^a ; ^b ; ^{taotu@fudan.edu.cn}
• 关键词：N-Heterocyclic carbene ; Nickel ; Cross coupling ; Benzylic ammonium salts ; Boronic acid
• 刊名：Chinese Chemical Letters
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：28
• 期：2
• 页码：350-353
• 全文大小：325 K
• 卷排序：28

文摘

Pyridine-bridged bis-benzimidazolylidene nickel complexes exhibited very high catalytic activity toward cross coupling of inactive (hetero)aryl benzylic ammonium salts with (hetero)aryl and alkenyl boronic acids under mild reaction conditions. Even at 2 mol% catalyst loading, a wide range of substrates for both coupling partners with different steric and electronic properties were well tolerated.