Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 931-40-8, is researched, SMILESS is O=C1OCC(CO)O1, Molecular C4H6O4Journal, Catalysis Letters called Continuous Synthesis of Glycerol Carbonate by Transesterification of Glycerol with Dimethyl Carbonate Over Fe-La Mixed Oxide Catalysts, Author is Pattanaik, Piyusa P.; Kumar, P. Mahesh; Raju, N.; Lingaiah, N., the main research direction is glycerol dimethyl carbonate transesterification iron lanthanum oxide catalyst property.Application In Synthesis of 4-(Hydroxymethyl)-1,3-dioxolan-2-one.
Transesterification of glycerol with di-Me carbonate to produce glycerol carbonate was studied under continuous reaction over Fe-La mixed oxide catalysts. A series of Fe-La oxide catalysts with different molar compositions were synthesized by co-precipitation method. Surface and structural investigations of the catalysts were carried using N2 physisorption, powder X-ray diffraction, temperature-programmed desorption, XPS, FT-infra red spectroscopy, SEM and Laser Raman spectroscopy. Glycerol carbonate yield was influenced by the molar ratios of Fe/La and catalyst calcination temperature, which are responsible for the variation in acid-base properties of the catalysts. The catalyst with a molar ratio of 1:1 calcined at 550°C exhibited superior activity with 71% yield of glycerol carbonate. The synergistic effect between Fe-La oxides and the formation of LaFeO3 perovskite structure are responsible for the high activity of the catalyst. The catalyst exhibited unprecedented stability over 100 h during the time on stream anal.
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