L. G. Derkach, N. Novikova, A. Mazepa
Dec 1, 2014
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Journal
Russian Journal of Organic Chemistry
Abstract
We previously synthesized methyl 4-[4-(4-hexadecyloxybenzoyloxy)benzoyloxy]-2-hydroxybenzoate whose coordination compound with terbium(III) chloride showed strong luminescence [1]. Initial methyl 2,4-dihydroxybenzoate was obtained by esterification in the presence of sulfuric acid [2]. When the reaction time was 12 h, the yield of the ester did not exceed 35% (after recrystallization). According to [3], the synthesis of ethyl and propyl 2,4-dihydroxybenzoates is even more difficult (reaction time 22 h).