【摘 要】
:
金属催化通过杂原子定位的C-H 键官能团化反应已经广泛报道[1,2]。经典的导向基团通常含有氮原子、硫原子或者膦原子,这类原子是强的σ 给体和π 受体,容易与金属中心稳
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金属催化通过杂原子定位的C-H 键官能团化反应已经广泛报道[1,2]。经典的导向基团通常含有氮原子、硫原子或者膦原子,这类原子是强的σ 给体和π 受体,容易与金属中心稳定的配位。同时,通过氧原子定位的C-H 键活化也有较多的报道,其导向基团主要集中在羧酸、酰胺或酯基、酚羟基以及醇羟基,通过醚类化合物的氧原子导向的报道仍然非常局限[3,4,5]。
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