J.Am.Chem.Soc.2017,139,4282~4285Palhinine型生物碱是一类以“异扭烷结构”为特征的5/6/6/9四环体系或5/6/6/6/7五环体系石松科生物碱.从合成化学的角度来看,官能团化异扭烷骨架的构建及其含有两个相邻全碳季碳中心的氮杂九元环系的引入是该类生物 J. Am. Chem. Soc. 2017, 139, 4282-4285 Palinin type alkaloids are a family of 5/6/6/9 tetracyclic systems characterized by a “iso-trans-alkane structure” or a 5/6/6/9 6/7 pentacyclic system Lycoris alkaloids From the perspective of synthetic chemistry, the introduction of the functionalized isoctane framework and its aza-nine-membered ring system containing two adjacent all-carbon quaternary carbon centers is Class creatures