Efficient Synthesis of <i>cis-</i> and <i>trans-</i>3,4-Dihydroxy-3,4-dihydromollugin
作者:Naga Venkata Sastry Mudiganti、Sven Claessens、Pascal Habonimana、Norbert De Kimpe
DOI:10.1021/jo800312j
日期:2008.5.1
An efficient synthesis of naturally occurring compounds isolated from Pentas longiflora, cis-3,4-dihydroxy-3,4-dihydromollugin 2, and trans-3,4-dihydroxy-3,4-dihydromollugin 3 is described. The O-protected mollugins were dihydroxylated using OsO4 to achieve the corresponding cis-dihydroxy derivatives in excellent yield. The synthesis of trans-3,4-dihydroxy-3,4-dihydromollugin was achieved using Oxone
描述了一种有效合成天然化合物的方法,该化合物是从五角茴香,顺式-3,4-二羟基-3,4-二氢mollugin 2和反式-3,4-二羟基-3,4-二氢mollugin 3中分离出来的。使用OsO 4将O-保护的软体动物二羟基化,以优异的产率获得相应的顺式-二羟基衍生物。使用Oxone以高收率实现了反式-3,4-二羟基-3,4-二氢mollugin的合成。提出了由甜菜碱与Oxone反应形成顺式-3,4-二羟基甜菜碱丙酮化物的机理。