Electrochemical Intramolecular Aminooxygenation of Unactivated Alkenes

来源 :中国化学会全国第十二届有机合成化学学术研讨会 | 被引量 : 0次 | 上传用户:chouchouzhuzhu
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  An electrochemical approach to the intramolecular aminooxygenation of unactivated alkenes has been developed.This process is based on the addition of nitrogen-centered radicals,generated through electrochemical oxidation,to alkenes followed by trapping of the cyclized radical intermediate with 2,2,6,6-tetramethylpiperidine-Noxyl radical(TEMPO).Difunctionalization of a variety of alkenes with easily available carbamates/amides and TEMPO affords aminooxygenation products in high yields and with excellent trans selectivity for cyclic systems(d.r.up to>20:1).The approach provides a much-needed complementary route to existing cis-selective methods.
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