A METHOD FOR PREPARING ORGANIC CARBONATES FROM SUGARS

The present invention relates to a method for preparing an organic carbonate from sugar, comprising the steps of: preparing a sugar solution comprising an. organic solvent or water, and a sugar selected from a group containing of glucose, fructose, sucrose or a combination thereof; wherein the organ...

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Bibliographische Detailangaben
Hauptverfasser: GAANTY PRAGAS MANIAM, MOHD HASBI BIN AB. RAHIM, ANISAH SAJIDAH BINTI HAJI SAUD, MIOR AHMAD KHUSHAIRI MOHD ZAHARI
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention relates to a method for preparing an organic carbonate from sugar, comprising the steps of: preparing a sugar solution comprising an. organic solvent or water, and a sugar selected from a group containing of glucose, fructose, sucrose or a combination thereof; wherein the organic solvent is selected from the group consisting of dimethyl sulfoxide (DMSO), dimethylformamide (DMF) or a combination thereof; immersing said sugar solution in an oil bath at a temperature in a range of 80-130 ?C under presence of a non-reactive gas; adding urea and a catalyst including gypsum into said sugar solution at a ratio of the sugar solution to the urea is in a range of 0.5: 1 to 1: 1.5 and stirring the mixture solution for 2-8 hours .