Junxia Liu, Dr. Zhongtian Du, Yanliang Yang, Tianliang Lu, Dr. Fang Lu and Prof. Dr. Jie Xu Catalytic Oxidative Decarboxylation of Malic Acid into Dimethyl Malonate in Methanol with Dioxygen ChemSusChem 5
If you′ve got it, use it: Malic acid is converted into dimethyl malonate by a direct, one-pot process. The process is cyanide- and halide-free. Phosphovanadomolybdates serve as bifunctional catalysts, effecting the oxidative decarboxylation and esterification in a consecutive manner. Oxidative CC bond cleavage first forms hemiacetals. The results serve as example for the production of valuable chemicals by fully utilizing the oxygen atoms and basic structure inherent to biomass products.
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