potassium hydroxide; n-butyllithium in diethyl ether (under N2); addn. of n-BuLi and TMEDA to a stirred soln. of ferrocene in Et2O at room temp., stirred for 6 h, dropwise addn. of the suspn. to a stirred and cooled (-78°C) soln. of borate in Et2O, stirred for 12 h at room temp., hydrolysis (KOH); extg. of the organic layer with KOH, combined aq. layers are acidified with H2SO4, filtn., washing (H2O), drying (P4O10, 0.10mbar), extg. (Et2O);

sodium hydroxide; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in ethylene glycol dimethyl ether; water DME-H2O/NaOH, reflux, 6 h (Ar);

phtalimide copper in pyridine boiling pyridine;;