Radical generation from electroreduction of aryl and benzyl ammonium salts: synthesis of organoboronates,Organic Chemistry Frontiers

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Radical generation from electroreduction of aryl and benzyl ammonium salts: synthesis of organoboronates
Organic Chemistry Frontiers ( IF 4.6 ) Pub Date : 2020-12-12 , DOI: 10.1039/d0qo00979b
Xianqiang Kong _{1,

2,

3,

4,

5} , Long Lin _{5,

6,

7,

8,

9} , Qianjin Chen _{5,

6,

7,

8,

9} , Bo Xu _{5,

6,

7,

8,

9}

Affiliation

We report a direct electrocatalytic borylation of aryl and benzyl trimethylammonium salts with bis(pinacolato)diboron at room temperature. The protocol is compatible with substrates bearing a variety of functional groups, including halides (Cl and Br), which are not tolerated by previously reported methods involving nickel catalysis or photocatalysis. The protocol does not require stoichiometric metals, external reducing agents, or sacrificial anodes and can be carried out on a gram scale.

中文翻译：

电还原芳基和苄基铵盐可自由基生成：有机硼酸酯的合成

我们报告了在室温下与双（频哪醇）二硼烷直接电催化芳基和苄基三甲基铵盐的硼酸化反应。该协议与带有多种官能团的底物兼容，包括卤化物（Cl和Br），以前报道的涉及镍催化或光催化的方法不能耐受。该协议不需要化学计量的金属，外部还原剂或牺牲阳极，并且可以以克为单位进行。

更新日期：2020-12-22

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