bis(1,1-dimethylethyl) (E)-<<3,4,5-trimethoxy-2-<2-(trimethylsilyl)ethenyl>phenyl>methyl>propanedioate 、 (5-Acetoxy-4-oxo-4H-pyran-2-yl)carbonyl chloride 在
sodium hydride 作用下,
生成 Bis(t-butyl) <(5-acetoxy-4-oxo-4H-pyran-2-yl)carbonyl>-<2-ethenyl-3,4,5-trimethoxy-2-(2E-trimethylsilyl)ethenylbenzyl>propanedioate