The CDE-ring framework of erinacine E, a potent stimulator against nerve growth factor (NGF) synthesis, was constructed using stereocontrolled Grignard addition, silicon-promoted Pummerer-type cyclization, and ring-closing metathesis as key transformations.
厄里纳辛E的CDE环框架通过立体控制的格里尼亚加成、
硅促泼默尔环化和闭环复分解作为关键反应步骤构建,厄里纳辛E是一种对神经生长因子(NGF)合成具有强效刺激作用的化合物。