General：N-Boc-1,2,5,6-tetrahydropyridine-4-boronic acid pinacol ester is an important type of chemical product, used as welding agent, multi-functional lubricant and flame retardant, etc., and has huge demand in the chemical industry. As a key organic synthesis intermediate, Chemicalbook phenylboronic acid pinacol ester also has high application value in carbon-carbon coupling and carbon-heteroatom coupling reactions, and is widely used in the fields of medicine, chemical industry and materials.Can be used for laboratory research and development.