Synthesis of Solketal with Catalyst Sulfonic Acid Resin

Jing Yang; Ni Li; Wen Jie Ma; Jin Hua Zhou; Han Zhou Sun

doi:10.4028/www.scientific.net/AMR.830.176

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Synthesis of Solketal with Catalyst Sulfonic Acid Resin

Abstract:

Solketal is widely used as organic solvent, plasticizer and pharmaceutical intermediates. A synthetic technique for solketal, which is characteristic of being catalyzed by sulfonic acid resin, was developed. Experimental results showed that the suitable synthetic conditions for solketal were as follows: mass ratio of two kinds of raw materials, glycerol to acetone, is 1:20, catalyst DT-851 sulfonic acid resin dosage is 5% (wt, calculated by glycerol), reaction temperature is 58 °C and reaction time is 2 h. The product solketals yield is 95% with purity above 99% under the optimal conditions. This new technique features mild reaction conditions, easy purification, high yield, and less pollution and therefore, it is a kind of clean and green production technique.