Preparation of benzofuran-6-carboxylic acid_Kain Industrial Additive

background and overview[1] benzofuran-6-carboxylic acid, also called 6-carboxylic acid benzofuran, is a benzofuran compound. this type of compound has a variety of good physiological activities, including anti-tumor, antibacterial, antioxidant and other effects, and has received widespread attention. preparation[1] 1. add compound i (200kg, 1450mol, 1.0eq) and methanesulfonic acid (1000l) into a clean reaction kettle, stir…