Synergistic Effect of Deep Eutectic Solvent and Zinc Oxide in Transesterification of Dimethyl Terephthalate for the Synthesis of Alkyl Terephthalate Esters
P. Latos,
J. Gabzdyl,
S. Jurczyk
et al.
Abstract:A deep eutectic solvent (DES), composed of choline chloride and urea, demonstrated exceptional solubility properties, allowing the dissolution of 0.8 wt % of zinc oxide. This liquid system was used as both solvent and catalyst (DES 300 mol %; ZnO 7.8 mol %) for the transesterification of dimethyl terephthalate (DMTP) with various alcohols (1-butanol, 2-butanol, 2-ethylhexanol, 1-hexanol, and 1-octanol). For example, the use of 1-butanol caused full conversion of DMTP after 24 h at 120 °C. The synergistic effec… Show more
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