Crystalline (–)-stegobinone [(2S,3R,1′R)]-2,3-dihydro-2,3,5-trimethyl-6-(1′-methyl-2′-oxobutyl)-4H-pyran-4-one (1)], the major component of the female-produced sex pheromone of the drugstore beetle (Stegobium paniceum L.), was synthesized by oxidation of crystalline and the minor component (–)-stegobiol [(2S,3R,1′S,2′S)-2,3-dihydro-2,3,5-trimethyl-6-(2′-hydroxy-1′-methylbutyl)-4H-pyran-4-one (2)] under
结晶 (-)-stegobinone [(2S,3R,1'R)]-2,3-dihydro-2,3,5-trimethyl-6-(1'-methyl-2'-oxobutyl)-4H-pyran- 4-一 (1)] 是药房甲虫 (Stegobium paniceum L.) 雌性性信息素的主要成分,通过结晶和次要成分 (-)-stegobiol [(2S,3R, 1'S,2'S)-2,3-dihydro-2,3,5-trimethyl-6-(2'-hydroxy-1'-methylbutyl)-4H-pyran-4-one (2)]使用 Jones
铬酸、Dess-Martin 过
碘烷或 Ley
钌试剂的适当条件。后者 (2) 是通过使用
脂肪酶和 Sharpless 环氧化来合成的,以引入适当的手性中心。通过X射线分析确认了1的立体结构。