Heterocycles p. 275 - 285 (1997)
Update date:2022-08-16
Topics:
Fukuda, Hiroshi
Kitazume, Tomoya
4-(1,1-Difluoro-2-ethoxycarbonyl)methyl-γ-butyrolactone (1) was prepared from the Reformatsky-type reaction of n-butyl 3-formylpropanoate with ethyl bromodifluoroacetate in Zn-THF system, and compound (1) was converted to α-methylene-γ-butyrolactone derivatives with a difluoromethylene unit at γ-position.
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(1968)
