Zha Hui-fang
2011
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Journal
Science Technology and Engineering
Abstract
3-bromo-4-hydroxy-5-methoxy-benzoic acid methyl ester in total yield of 66.4% is synthesized from vanillin via bromation by bromide,oxidation over silver oxide and esterification with methanol.The products from different steps are identified by 1H-NMR and IR.