by X Zhao · 2017 · Cited by 18 — The esterification is usually carried out in liquid phase with acid, acid ... The operating conditions of these analyses were same as the ... 1 FTIR spectra of lignin model compounds and their esters catalyzed by DMAP: (a) vanillin, ... products catalyzed by alkaline catalysts and acidic catalyst was also obvious ...
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Product of acid catalyzed esterification of vanillin under acidic conditions
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