Table 3. Scope of the Fluoranthene Synthesis under Both Homogeneous and Heterogeneous Catalytic Conditionsa.
Reaction conditions: method A: 1.0 equiv of 5, 1.15 equiv of arylboronic acid or ester, 4.0 equiv of KOAc, 5 mol % of Pd(dppf)Cl2, DMSO, 90 or 110 °C, N2, 24 h. Method B: 1.0 equiv of 5, 1.15 equiv of arylboronic acid or ester, 5.0 equiv of NaOAc, 4.0 mg of rGO-CuPd nanocatalyst (1.8 mol % Pd loading), 120 °C, 24 h.
T = 90 °C for method A.
T = 110 °C for method A.
