preparation method of n1,n1,n4,n4-tetrakis(pyridin-4-yl)benzene-1,4-diamine_kain industrial additive
background and overview[1] n1,n1,n4,n4-tetrakis(pyridin-4-yl)benzene-1,4-diamine is an organic intermediate that can be synthesized from 4,4′-bipyridylamine and 1,4-dibromo benzene is prepared in one step. it is a pyridyl ligand. pyridine ligands and their derivatives have σ electron-donating ability and π electron-accepting ability, and can form stable complexes with a variety of metals. they are the most widely…

