Abstract Methyl pyruvate (MPA) was synthesized from dihydroxyacetone (DHA), the oxidation product of glycerol, over Sn-β and TS-1 hybrid molecular sieves at low temperature. Sn-β and TS-1 provide the active sites for conversion of DHA to methyl lactate (MLA) and oxidation of MLA to MPA, respectively. Synergism of Lewis acid sites on Sn-β and TS-1 realize the production of MPA from DHA. After optimization, 71% yield of MPA can be obtained under 50 °C. This is the first report for the synthesis of MPA from DHA directly. Graphic Abstract

中文翻译：

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杂化分子筛在低温下催化二羟基丙酮转化为丙酮酸甲酯：甘油绿色利用的策略

摘要 丙酮酸甲酯 (MPA) 是由甘油的氧化产物二羟基丙酮 (DHA) 在 Sn-β 和 TS-1 杂化分子筛上在低温下合成的。Sn-β 和 TS-1 分别为 DHA 转化为乳酸甲酯 (MLA) 和 MLA 氧化为 MPA 提供了活性位点。Sn-β 和 TS-1 上路易斯酸位点的协同作用实现了从 DHA 生产 MPA。经过优化，50℃下MPA的产率为71%。这是直接从 DHA 合成 MPA 的第一份报告。图形摘要