In recent years, 3,4-dihydroxybenzoic acid has been widely used in medicine, feed, environmental protection and other fields, and the demand for 3, 4-dihydroxy benzoic acid is also increasing year by year. At present, 3,4-dihydroxybenzoic acid is still mainly used in medicine, which is a key raw material for a variety of pharmaceutical products.
3, 4-dihydroxybenzoic acid has a variety of biological activities, can play anti-inflammatory, antibacterial, anti-hyperglycemia, anti-oxidation, nerve protection and other functions. 3, 4-dihydroxybenzoic acid is used as the core raw material in the anti-tumor drug erlotinib, the respiratory drug mypivanine hydrochloride, the sodium channel inactivation gate inhibitor Veratrol, the new gastrointestinal motility drug Itopapride hydrochloride, the treatment of hepatitis B drug hulanside II, the anesthetic yimeixing and other drugs. It is used to treat tumors, respiratory diseases, gastrointestinal diseases, hepatitis and anesthesia.
The current method of preparing 3, 4-dihydroxybenzoic acid, compared with the past, has achieved green environmental protection and sustainable production. The technological progress and improvement also make 3, 4-dihydroxybenzoic acid more competitive.
