PhI(OAc)2-promoted umpolung acetoxylation of enamides for the synthesis of α-acetoxy ketones

PhI(OAc)2-promoted umpolung acetoxylation of enamides for the synthesis of α-acetoxy ketones
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PhI(OAc)2 促进烯酰胺的 umpolung 乙酰氧基化用于合成 α-乙酰氧基酮

DOI:
10.1007/s11426-016-0478-3
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发表时间:
2017-02
影响因子:
9.6
通讯作者:
Guan Zheng-Hui
Guan Zheng-Hui
中科院分区:
化学1区
文献类型:
--
作者:
Ren Zhi-Hui;Gao Wen-Yun;Wang Yao-Yu;Guan Zheng-Hui

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Umpolung是有机化学中的一个基本概念,它为常规方法难以获得的目标化合物的合成提供了一种替代策略。本文研究了PhI(OAc)2促进的烯酰胺的Umpolung乙酰氧基化反应合成α-乙酰氧基酮。该反应容许宽范围的官能团,并以良好至优异的产率提供α-乙酰氧基酮。PhI(OAc)2在反应中充当乙酰氧基的来源。
Umpolung is a fundamental concept in organic chemistry, which provides an alternative strategy for the synthesis of target compounds which were not easily accessible by conventional methods. Herein, a mild and efficient PhI(OAc)2-promoted umpolung acetoxylation reactions of enamides was developed for the synthesis of α-acetoxy ketones. The reaction tolerates a wide range of functional groups and affords α-acetoxy ketones in good to excellent yields. PhI(OAc)2serves as a source of acetoxy in the reaction.
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