Аңдатпа
A series of hydrazones based on hydrazides of o - and p -hydroxybenzoic acids have been prepared. N -(5-Bromo-2-hydroxybenzylidene)-4-hydroxybenzohydrazide has been studied by X-ray diffraction analysis; its molecule forms hydrogen bond with a solvating ethanol molecule. Biological activity of the synthesized hydrazones towards cathepsin Е and(or) elastase of human neutrophils has been determined.