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通过铱-催化分子内C-H胺化作用合成N-H咔唑
Miura等报道了通过铱-催化分子内C-H胺化作用合成N-H咔唑。根据他们的研究结果,在有氧条件下,通过催化量的[Cp*IrCl2]2和Cu(OAc)2,以及2当量的特戊酸的作用,2-氨基联苯发生脱氢环化,生成了相应的N-H咔唑,反应进程平顺。此反应为N-H咔唑的合成提供了一种直接的,步骤和原子经济性的方法。此外,也有研究报道过在类似的铱催化作用下2-氨基联苯的相关二聚反应。