Popis: |
Carboxhydrazides3were synthesized by reaction of substituted furo[3,2-b]pyrrole-5-carboxhydrazides1with 4-oxo-4H-chromene-2-carboxaldehyde2in the presence of 3-methyl-benzenesulfonic acid in ethanol. Carboxhydrazides3were used as ligands for synthesis of Cu, Co, and Ni complexes4. |