Fe(III)-catalyzed oxidative coupling of alkylnitriles with aromatic carboxylic acids: Facile access to cyanomethyl esters
作者:Dan Wang、Bing Lu、Yan-Ling Song、Hong-Mei Sun、Qi Shen
DOI:10.1016/j.tetlet.2019.150969
日期:2019.8
The first oxidative coupling of alkylnitriles with aromatic carboxylic acids using di-tert-butyl peroxide (DTBP) as oxidant was achieved under the catalysis of ionic Fe(III) complexes bearing an imidazolinium cation. This protocol features nontoxic iron catalysis, direct α-C(sp3)–H bond oxidative esterification of alkylnitriles, non-prefunctionalized starting materials, and a broad substrate scope
在带有咪唑啉阳离子的离子化Fe(III)配合物的催化下,使用过氧化二叔丁基(DTBP)作为氧化剂,将烷基腈与芳香族羧酸进行了首次氧化偶联。该方案具有无毒铁催化,烷基腈的直接α-C(sp 3)–H键氧化酯化反应,非预功能化的起始原料以及广泛的底物范围和出色的位阻耐受性,从而提供了一种新颖,直接且绿色的方法氰基甲基酯的合成。