Synthesis of Quaternary Carbon Centers via Hydroformylation
作者:X. Sun、K. Frimpong、K. L. Tan
DOI:10.1021/ja1036226
日期:2010.9.1
application of hydroformylation to the synthesis of quaternary carbon centers is reported. The synthesis of the highly substituted carbon is achieved by applying a catalyticamount of 1. Ligand 1 serves as a catalyticdirectinggroup by covalently and reversibly binding to both the substrate and catalyst. The intramolecular nature of the directinggroup strategy accelerates the hydroformylation reaction
Metal-Catalyst-Controlled Divergent Synthesis of γ-Butyrolactones via Intramolecular Coupling of Epoxides with Alcohols
作者:Feipeng Liu、Zifan Cheng、Yiyun Fang、Xuchao Wang、Lingzi Zhao、Zi-Qiang Rong
DOI:10.1021/acs.orglett.3c00898
日期:2023.5.26
A metal-controlled divergent protocol for the synthesis of α- and β-substituted γ-butyrolactones was developed through intramolecular coupling of epoxides with alcohols. This method provides an efficient and practicable way to afford γ-butyrolactones with good efficiency, excellent regioselectivity, and broad substrate scope.