n-butyllithium in tetrahydrofuran T=-80 - 20°C; 5 h;

dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; potassium acetate in 1,4-dioxane 12 h; Reflux;

n-butyllithium in tetrahydrofuran; hexane (Ar); to soln. of luorene in THF at -78°C 1.6 M BuLi in hexane was added, stirred at -78°C for 2 h, boronic ester was added, stirred at -78°C for 2 h, warmed to room temp., stirred for 24 h; poured into water, extd. with Et2O, washed with brine, dried over MgSO4,evapd., column chromy. (silica, 10percent EtOAc in hexane);