3,4-dihydroxybenzoic acid is an organic acid widely used in medicine, feed, environmental protection and other fields, the market demand for 3,4-dihydroxybenzoic acid is also increasing year by year, from the current point of view, The main application areas of 3,4-dihydroxybenzoic acid are the pharmaceutical industry. 3,4-dihydroxybenzoic acid can be used in drug synthesis and is the key raw material of a variety of pharmaceutical products.
3,4-dihydroxybenzoic acid has anti-inflammatory, antibacterial, hypoglycemic, antioxidant, neuroprotective and other biological activities. For example, protocatechuic acid is used as the core raw material for the anti-tumor drug erlotinib, the respiratory drug mepivainine hydrochloride, the sodium channel inactivating gate inhibitor veratrol, the new gastrointestinal motility drug Itopapride hydrochloride, and the hepatitis B drug picoside II.
Compared with the previous methods, the green, environmental and sustainable production of 3,4-dihydroxybenzoic acid has been realized. The technological progress and improvement also make 3,4-dihydroxybenzoic acid more competitive.