Zhang Ya-dong
2010
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Journal
Journal of Chemical Engineering of Chinese Universities
Abstract
Using 1-bromooctane and mercaptoethanol as raw materials,the 2-hydroxyethyl n-octyl sulfide was synthesized under organic solvent-free condition with phase transfer catalysis technique.The structure of the synthesized product was characterized by IR and 1H-NMR spectra.The effects of the molar ratio of 1-bromooctane to mercaptoethanol,reaction time and temperature,the category and amount of catalyst,amount of sodium carbonate used and the volume of water used on the reaction were studied.The results show that the appropriate reaction conditions are as follows(based on 0.1 mol HSCH2CH2OH):n(n-C8H17Br):n(HSCH2CH2OH) = 0.7:1,catalyst amount 2 mmol,sodium carbonate amount 0.05 mol,water 40.0 mL,reaction temperature 50℃ and reaction time 7 h.Under above conditions,the average yield of the 2-hydroxyethyl n-octyl sulfide is about 98.5%.Since its reaction condition is mild,its operation is simple and convenient and its aftertreatment is uncomplicated,the proposed preparation route could be considered to have good prospect for industrial application.