Room-Temperature Copper-Catalyzed Carbon-Nitrogen Coupling of Aryl Iodides and Bromides Promoted by Organic Ionic Bases
作者:Chu-Ting Yang、Yao Fu、Yao-Bing Huang、Jun Yi、Qing-Xiang Guo、Lei Liu
DOI:10.1002/anie.200903158
日期:2009.9.21
solubility alone does not explain the performance of organic ionic bases in the room‐temperature coupling of aryl iodides and even bromides with aliphatic and aromatic amines and N‐heterocycles (NuH; see scheme). Conductivity measurements show that these organic ionic bases, which contain tetraalkylammonium or ‐phosphonium cations, are readily ionized in organic solvents.
仅仅良好的溶解度并不能解释有机离子碱在芳基碘化物甚至溴化物与脂族和芳族胺以及N杂环的室温偶联中的性能(NuH;参见方案)。电导率测量表明,这些含有四烷基铵或阳离子的有机离子碱在有机溶剂中很容易被电离。