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Nickel‐Catalyzed 1,1‐Difluoroethylation of (Hetero)aryl Halides with 1,1‐Difluoroethyl Chloride (CH3CF2Cl)
Asian Journal of Organic Chemistry ( IF 2.7 ) Pub Date : 2020-02-03 , DOI: 10.1002/ajoc.202000004
Jianchang Liu 1 , Jida Zhang 1 , Xiangye Li 1 , Chaolin Wu 1 , Hefu Liu 1 , Hui Liu 1 , Fenggang Sun 1 , Yueyun Li 1 , Yuying Liu 1 , Xinjin Li 1, 2
Affiliation  

1,1‐Difluoroethylated aromatic compounds are of increasing importance in agrochemicals and pharmaceuticals. The direct introduction of difluoroethyl (CF2CH3) group(s) onto aromatic rings using CH3CF2Cl, an inexpensive and available raw material, still remains a great challenge because of the relatively inert C−Cl bond of CH3CF2Cl. Herein, we disclose a nickel‐catalyzed 1,1‐difluoroethylation of (hetero)aryl halides with CH3CF2Cl. The reaction exhibits good functional‐group tolerance and is regarded as a practical method for synthesis of (1,1‐difluoroethyl)arenes.

中文翻译:

镍催化1,1-二氟乙基氯(CH3CF2Cl)催化(杂)芳基卤化物的1,1-二氟乙基化

1,1-二氟乙基化芳族化合物在农用化学品和药物中的重要性日益增加。直接引入二氟乙基(CF的2 CH 3)基团(一个或多个)上使用CH芳香环3 CF 2氯,廉价的和可用的原料,仍然因为CH的相对惰性的C-Cl键的一个很大的挑战3 CF 2 Cl。本文中,我们公开了镍(镍)催化的(杂)芳基卤化物与CH 3 CF 2 Cl的1,1-二氟乙基化反应。该反应具有良好的官能团耐受性,被认为是合成(1,1-二氟乙基)芳烃的实用方法。
更新日期:2020-02-03
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