2-Trialkylsilyloxyfurans react rapidly with dimethyldioxirane at -78 °C to provide trialkylsilyl (Z)-4-oxo-2-alkenoates whose hydrolysis delivers γ-hydroxybutenolides with high efficiency; a short synthesis of a naturally occurring monoterpene γ-hydroxybutenolide (4) is reported.
2-Trialkylsilyloxyfurans 与
二甲基二环氧乙烷在 -78 °C 下快速反应,生成三烷基
硅 (Z)-4-oxo-2- 烷烯酸酯,其
水解反应可高效生成δ-羟基
丁烯内酯;报告了天然单萜δ-羟基
丁烯内酯 (4) 的简短合成。