摘要/Abstract
以非均相NiGa层状双金属氧化物(Ni3Ga-LDO)为催化剂, 催化异色满与芳伯胺的碳氮偶联反应, 可以较高收率获得碳氮偶联产物. 该催化体系对多种芳伯胺具有较好的适用性. 研究结果表明, 镍物种在氧化偶联过程中起关键作用, 且催化剂具有较优的催化和结构稳定性. 本方法为构建碳氮键提供了一种有效的替代方法.
关键词: 氧化偶联, 异色满, 芳伯胺, NiGa层状双金属氧化物, C—N构建
An efficient heterogeneous catalytic system based on NiGa layered double oxide (Ni3Ga-LDO) for the C—N coupling between isochroman and primary arylamines has been described. Various primary arylamines were tolerated by the catalytic system, and good to excellent yields for the corresponding coupled products could be obtained. The results indicated that Ni species played the key role in the oxidative cross-coupling process, and the catalyst had good catalytical and structural stability. The protocol provides an effective alternative approach to construct C—N bond.
Key words: oxidative coupling, isochroman, primary arylamine, NiGa layered double oxide, C—N construction
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