Sintesis 2?Stearoil Trimetil Sitrat Yang Diturunkan Dari Asam Sitrat Dan Asam Stearat
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2-Stearoyl trimethyl citrate might be obtained by acylation of hidroxy group of trimethyl citrate with stearoyl chloride catalyzed by triethylamine in diethyl ether as solvent and in refluxed condition. Trimethyl citrate are obtained by direct esterification of citric acid with methanol catalyzed by sulfuric acid in benzene as solvent and in refluxed condition and stearoyl chloride are obtained by refluxing stearic acid with PCl3 in chloroform. Esterification of citric acid become trimethyl citrate give 90 % of yield product an acylation or trimethyl citrate with stearoyl chloride give 79 % yield product, respectively. Trimethyl citrate melt at 73-74 oC and 2-stearoyl citrate melt at 61-62 oC.The structure of both compound are determined by FT-IR and 1H-NMR Spectroscopy.