2,7-Dibromo-9-fluorenone was used in preparation of : • 2,7-poly(spiro[4′,4′-dioctyl-2′,6′-dioxocyclohexane-1′,9-fluorene]), precursor polymer for the synthesis of 2,7-poly(9-fluorenone). • 2,7-dibromo-9-(2-methylpyridin-5-yl)fluoren-9-ol. 2,7-Dibromo-9-fluorenone was used in preparation of : • 2,7-poly(spiro[4′,4′-dioctyl-2′,6′-dioxocyclohexane-1′,9-fluorene]), precursor polymer for the synthesis of 2,7-poly(9-fluorenone). • 2,7-dibromo-9-(2-methylpyridin-5-yl)fluoren-9-ol.