Synthesis and X-ray structural investigations have been carried out for the title compounds. In the structure 1, very strong hydrogen bond links target molecule with water and forms stable complex. In the crystals of both compounds all active hydrogen atoms form strong O-H…O/N and N-H…O/N H-bonds linking molecules in three-dimensional frameworks. The kinetics of formation from the reaction of the keto-acids and esters with hydrazine will be presented.