γ-Hydrobutenolides were obtained from the reaction of substituted 2,5- bis(trimethylsiloxy)furans with aldehydes and ketones using titanium tetrachloride activation. Similarly, α,β-unsaturated carbonyl compounds reacted as a Michael receptor with the title compounds to give γ-hydroxybutenolides.
使用
四氯化钛活化,由取代的2,5-双(三甲基甲
硅烷氧基)
呋喃与醛和酮反应制得γ-羟基
丁烯内酯。类似地,α,β-不饱和羰基化合物作为迈克尔受体与标题化合物反应,得到γ-羟基
丁烯内酯。