Asymmetric Allenylation of Alkynes mediated by Chiral Organoselenated Reagents under Oxidative Conditions
作者:Rongyu Sun、Emilie Viaud、Rajesh Nomula、Jean‐Valère Naubron、Nicolas Daugey、Thierry Buffeteau、Frédéric Castet、Patrick Y. Toullec、Stéphane Quideau、Philippe A. Peixoto
DOI:10.1002/anie.202310436
日期:2023.10.16
A selenium-mediated methodology for the asymmetric synthesis of allenyl amides is described. This was achieved in two steps from simple alkynes, and features highly stereocontrolled β-H-syn-eliminations of vinyl selenoxides performed with good yields and ee up to 99 %.