【摘要】 2-(1,3-亚丙二硫基)亚甲基脂环酮(2′)与甲基、丁基,仲丁基Grignard试剂经1,2-加成反应得产物3,3在酸的催化下脱水生成共轭的烯酮硫缩醛类化合物4。本实验提供了一条经由α-羰基烯酮环二硫代缩醛类化合物合成在有机合成中有重要应用的共轭烯酮硫缩醛类化合物的新途径。更多还原

【Abstract】 Dehydration of the adducts 3 prepared by the 1,2-addition between title compounds 2’ with methyl, n-butyl, s-butyl Grignard reagents gives the corresponding conjugated ketene dithioacetals 4. The convertion from 2 to 4 provides a new and facile method for the preparation of 4 a usedful intermediate in organic synthesis.更多还原