苄氧基乙醛 、
α-phenylthio methyl heptanoate 在
zinc(II) chloride 、
lithium diisopropyl amide 作用下,
生成 (2RS,1'SR)-methyl 2-<2'-(benzyloxy)-1'-hydroxyethyl>-2-(phenylthio)heptanoate 、 (2RS,1'RS)-methyl 2-<2'-(benzyloxy)-1'-hydroxyethyl>-2-(phenylthio)heptanoate