期刊
ORGANIC LETTERS
卷 13, 期 24, 页码 6536-6539出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol2028288
关键词
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资金
- NSFC [20902010, 21172029]
- FRFCU [10JCXKO05]
A novel copper-mediated chelation-assisted ortho C H nitration of (hetero)arenes has been developed for the first time, which used dioxygen as terminal oxidant and 1,2,3-TCP as solvent, leading to the synthesis of nitroaromatics with excellent regioselectivity and in good yields. Mechanistic investigations indicate a mechanism involving a four-centered transition state, with simultaneous cleavage of an ortho C H bond and a N-O bond of the nitrate anion on the 2-arylpyridine-coordinated copper(II) complex.
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