▎ 摘　　要

NOVELTY - Synthesis of 9,10-benzophenanthrene compound (I) involves (i) dissolving a bromobiphenyl derivative (II) and a diphenyl trifluoromethanesulfonoperoxoyl iodide derivative (III) in N,N-dimethylformamide under an inert gas atmosphere, and treating the obtained mixture with copper trifluoromethanesulfonate, sodium carbonate and cesium acetate at 120-140 degrees C. USE - Synthesis of 9,10-benzophenanthrene compound used as graphene monomer for organic optoelectronic applications. ADVANTAGE - The method enables synthesis of 9,10-benzophenanthrene compound with high yield. The method is carried out using readily available raw materials in a short reaction time. DETAILED DESCRIPTION - Synthesis of 9,10-benzophenanthrene compound of formula (I) involves (i) dissolving a bromobiphenyl derivative of formula (II) and a diphenyl trifluoromethanesulfonoperoxoyl iodide derivative of formula (III) in N,N-dimethylformamide under an inert gas atmosphere, and treating the obtained mixture with copper trifluoromethanesulfonate, sodium carbonate and cesium acetate at 120-140 degrees C. R1=H, 1-18C alkyl, 1-8C alkoxy, 6-20C aryl, hydroxy, F, Cl, Br, nitro, trifluoromethyl, cyano, formyl, acetyl or 1-8C alkoxycarbonyl (optionally substituted by 1-8C alkyl, halo or methoxy); R2=H, 1-18C alkyl, 1-8C alkoxy, 6-2C aryl, F, Cl or Br;and R3=H, 1-18C alkyl, 1-8C alkoxy, 6-20C aryl, F, Cl or Br.