5-dioxopyridazine-1) propane (ICBF-159) were prepared by reaction of 1
2-bis (3
5-dioxopyridazine-1) ethane or (±)-1
2-bis (3
5-dioxopyridazine-1) propane with various α
ω-dibromoalkanes in the presence of anhydrous potassium carbonate. The structural characteristics of the oligomers were investigated by IR and 1H-NMR. respecticvely.