参考标题:α-Lithiated Aryl Benzyl Ethers: Inhibition Of [1,2]-Wittig Rearrangement And Application To The Synthesis Of Benzo[B]Furan Derivatives 作者:Rocío Velasco,Claudia Feberero,Roberto Sanz |发布日期:2015.9.18 摘要:Low Temperature Selectively Leads To α-Lithiation Of Benzyl Phenyl Ether Generating A Stable Organolithium, Which Can Be Efficiently Trapped With A Variety Of Selected Electrophiles Prior To Suffering The Expected [1,2]-Wittig Rearrangement. In The Case Of (O-Alkynyl)Phenyl Benzyl Ethers, The Intermediate α-Aryloxyorganolithium Undergoes An Unexpected Anti Intramolecular Carbolithiation Reaction Leading
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