An expeditious asymmetric synthesis of the pentacyclic core of the cortistatins by an intramolecular (4+3) cycloaddition
作者:Lok Lok Liu、Pauline Chiu
DOI:10.1039/c1cc00087j
日期:——
A concise, asymmetricsynthesis of the pentacyclic framework of the cortistatins has been accomplished in 12 steps from commercially available starting materials, employing a highly diastereoselective intramolecular (4+3) cycloaddition of epoxy enolsilanes as the key step.