Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Catalysis Letters called Acidic-Basic Bifunctional Magnetic Mesoporous CoFe2O4@(CaO-ZnO) for the Synthesis of Glycerol Carbonate, Author is Zhang, Pingbo; Chen, Yifeng; Zhu, Mengnan; Yue, Chengguang; Dong, Yuming; Leng, Yan; Fan, Mingming; Jiang, Pingping, which mentions a compound: 931-40-8, SMILESS is O=C1OCC(CO)O1, Molecular C4H6O4, Product Details of 931-40-8.
Magnetic mesoporous CoFe2O4@(CaO-ZnO) exhibited good catalytic activity in the transesterification of glycerol and di-Me carbonate to yield glycerol carbonate. The glycerol conversion of 97.7% and glycerol carbonate yield of 96.9% could be obtained in this reaction system under the optimized reaction conditions. CoFe2O4@(CaO-ZnO) was characterized by a series of techniques including TPD, XRD, SEM, TEM, EDS, VSM and BET to evaluate the physico-chem. properties of the catalyst. It was demonstrated that the interaction of acid-base sites improved the catalysis performance of CoFe2O4@(CaO-ZnO): the strong basic sites were beneficial to the activation of glycerol to glyceroxide anion which could increase glycerol conversion, and the acid site contributes to the carbonyl activation of di-Me carbonate, converts glyceroxide anion to glycerol carbonate, and improves the selectivity of glycerol carbonate. Meanwhile, the solid-liquid separation process after reaction would be simplified significantly considering CoFe2O4@(CaO-ZnO) could be easily separated from the reaction mixture under magnetic action.
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