2-{4-[1-(tert-Butyl-dimethyl-silanyl)-1-chloro-meth-(Z)-ylidene]-2-oxo-tetrahydro-furan-3-yl}-malonic acid diethyl ester 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以68%的产率得到2-{4-[1-(tert-Butyl-dimethyl-silanyl)-meth-(Z)-ylidene]-2-oxo-dihydro-furan-3-ylidene}-malonic acid diethyl ester