Methods for synthesizing 2,6-dihydroxybenzoic acid;

The main product was 2,6-dihydroxybenzoic acid.

The conclusion was obtained that synthesis of 2,6-dihydroxybenzoic acid in solvent was better than in water, suggesting that it should be a feasible method for synthesis of 2,6-dihydroxybenaoic acid with the purity of over 99%.

Using 3,5-dihydroxybenzoic acid as the reactant,4-bromo-3,5-dimethoxybenzaldehyde was prepared by four steps reaction,including bromization,methylation,condensation and oxidation,and the total yield was 18.

3,5-Dihydroxybenzyl alcohol is synthesized from 3,5-Dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems, which gives a convenient synthetic method.

It was found that the reaction to 3,5-dihydroxybenzoic acid, sodium benzoate and catalyst are zero-, one-and one-order respectively.

Preparation of copper(Ⅱ) resorcylic nanometer catalyst;

Study on chemiluminescent system of cerium Ⅳ-3,4-dihydroxybenzoic acid-Tween 40 and its application;

adsorptive stripping of tin( Ⅳ ) complex with 3,4-dihydroxybenzoic acid (DHBA) at a hanging mercury drop electrode.

The sol-gel molecularly imprinted films modified glassy carbon electrode was prepared by electrodeposition of tetramethoxysilane(TMOS) and phenyltrimethoxysilane(PTMOS) with chronoamperometry in the presence of template molecules 3,4-dihydroxybenzoic acid(3,4-DHBA) followed by extraction with ethanol.