Redox-Triggered CC Coupling of Diols and Alkynes: Synthesis of β,γ-Unsaturated α-Hydroxyketones and Furans by Ruthenium-Catalyzed Hydrohydroxyalkylation
作者:Emma L. McInturff、Khoa D. Nguyen、Michael J. Krische
DOI:10.1002/anie.201311130
日期:2014.3.17
ruthenium‐catalyzed CCcoupling of alkynes and vicinal diols to form β,γ‐unsaturated ketones occurs with complete levels of regioselectivity and good to complete control over the alkene geometry. Exposure of the reaction products to substoichiometric quantities of p‐toluenesulfonic acid induces cyclodehydration to form tetrasubstituted furans. These alkyne‐diolhydrohydroxyalkylations contribute to a