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研究了芳甲酰基烯酮－１，２－亚乙二硫基缩酮与乙基、丙基、丁基等Ｇｒｉｇｎａｒｄ试剂的加成反应，实验结果表明，该反应可以发生１，４－加成而得到一个羰基保护起来的β－二酮，为合成各种结构的β－二酮类化合物提供了一个很好的方法
The addition reaction of a-formyl ketene-1, 2-ethanedithio ketal with Grignard reagent such as ethyl, propyl and butyl was studied. The experimental results show that the reaction can produce 1,4- The addition of a carbonyl-protected β-diketone provides a good method for the synthesis of various structures of β-diketones