Synthesis, structure, and electronic study of some group VII furoyl substituted complexes

► Furoyl substituted fulvene characterized by X-ray crystallography. Enolic H atom shared equal distance between diacyl oxygen atoms. ► Diacyl complexes (3A and 3B) and pyridazyl complexes (4A and 4B) made in moderate-high yields. ► Diacyl complexes 3A and 3B structurally determined by X-ray crystallography. ► Diacyl complexes 3A and 3B characterized by DFT calculations.