Rhodium(iii)-catalyzed three-component C(sp2)–H activation for the synthesis of amines
文献情報
Min Lin, Yu-Fei Wu, Zheng-Qiang Liu, Cheng Liang, Qing-Hua Li, Tang-Lin Liu
Rhodium-catalyzed three-component C–H bond activation of aromatics with amides and aldehydes to synthesize amines was established. The addition of copper was found to be essential to ensure the high reactivity. The mechanistic studies indicated that key intermediates formed by the transmetallization between rhodium and copper could further promote the addition between 2-(pyridin-2-yl)-phenyl-metal species and imines. A series of densely substituted amines could be conveniently prepared by this one-step, three-component procedure from commercially available substrates via C–H bond activation with water as the only by-product.
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