Rh-Catalyzed Direct Amination of Unactivated C(sp<sup>3</sup>
)−H bond with Anthranils Under Mild Conditions
作者:Conghui Tang、Miancheng Zou、Jianzhong Liu、Xiaojin Wen、Xiang Sun、Yiqun Zhang、Ning Jiao
DOI:10.1002/chem.201602556
日期:2016.8.1
C−N Bond formation is of great significance due to the ubiquity of nitrogen‐containing compounds. Here, a mild and efficient RhIII‐catalyzed C(sp3)−H aryl amination reaction is reported. Anthranil is employed as the nitrogen source with 100 % atom efficiency. This C−H amination reaction exhibits broad substrate scope without using any external oxidants. Mechanistic studies including rhodacycle intermediates
由于含氮化合物的普遍存在,C N键的形成具有重要意义。在这里,报告了温和有效的Rh III催化的C(sp 3)-H芳基胺化反应。蒽被用作氮源,原子效率为100%。这种CH氨基化反应在不使用任何外部氧化剂的情况下具有广泛的底物范围。介绍了机理研究,包括Rhodacycle中间体,H-D交换,动力学同位素效应(KIE)实验和原位IR。