An olefin isomerization/asymmetric Pictet–Spengler cascade via sequential catalysis of ruthenium alkylidene and chiral phosphoric acid
作者:Quan Cai、Xiao-Wei Liang、Shou-Guo Wang、Shu-Li You
DOI:10.1039/c3ob00072a
日期:——
Chiral phosphoric acid works together with HoveydaâGrubbs II catalyst enabling highly efficient synthesis of enantioenriched tetrahydro-β-carboline (up to 95% yield, 90% ee) through an olefin isomerization/PictetâSpengler cascade reaction via sequential catalysis.