Zhao Li-jun
2012
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Journal
Fine chemicals
Abstract
3,4-Methylenedioxyphenol p-perfluorononenebenzonate(Ⅲ) was synthesized by esterification from p-perfluorononenebenzoyl chloride(Ⅰ) and 3,4-methylenedioxy-phenol(Ⅱ).The product was characterized by means of FTIR,1HNMR,19FNMR.The effects of catalyst,reaction temperature,reaction time and the ratio of reactants on the esterification were investigated.The optimum reaction conditions of the esterification were ascertained as follows:n(Ⅰ)∶ n(Ⅱ)∶ n(triethylamine)=1∶ 2∶ 1,and the reactants were agitated in DMF at-5 ℃ for 4 h to give 3,4-methylenedioxyphenol p-perfluorononenebenzonate in the yield of 79.0%.