Catalyst-free synthesis of α,α-disubstituted carboxylic acid derivatives under ambient conditions via a Wolff rearrangement reaction

Catalyst-free synthesis of α,α-disubstituted carboxylic acid derivatives under ambient conditions via a Wolff rearrangement reaction
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在环境条件下通过 Wolff 重排反应无催化剂合成 α,α-二取代羧酸衍生物

DOI:
10.1039/d1qo01265g
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发表时间:
2021-10-26
影响因子:
5.4
通讯作者:
Liu, Lu
Liu, Lu
中科院分区:
化学1区
文献类型:
--
作者:
Ji, Xin;Zhang, Zhikun;Liu, Lu

文献摘要

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在此,开发了六氟异丙醇(HFIP)促进的沃尔夫重排反应,以良好至优异的收率提供各种α,α-二取代的羧酸衍生物。在此反应中,α-重氮酮可以在温和条件下使用 HFIP 通过羟基和羰基之间的氢键活化。
Herein, a hexafluoroisopropanol (HFIP)-promoted Wolff rearrangement reaction was developed, delivering various alpha,alpha-disubstituted carboxylic acid derivatives in good to excellent yields. In this reaction, alpha-diazoketone could be activated using HFIP under mild conditions via hydrogen bonding between hydroxyl and carbonyl groups.