(±)-anti Head-to-head coumarin dimer was successfully resolved into a pair of optically active forms in high yields, of which the absolute configuration was determined on the basis of CD and 1H-NMR spectral data.
(±)-anti头对头
香豆素二聚体以高收率成功拆分为一对光学活性形式,其中绝对构型是根据CD和1 H-NMR光谱数据确定的。