triphenylphosphine; lithium chloride; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran a soln. of ferrocene in THF was added to a suspn. of biphenyl, PPh3 and LiCl in THF, the mixt. was heated to reflux for 48 h, cooled to room temp. (Ar); diluted with CH2Cl2, washed with 10percent aq. HCl, water, with brine, dried over MgSO4, the solvent was removed in vac., chromd. on silica gel (isohexane; isohexane-CH2Cl2);

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

in not given various Pd catalysts, various solvents, reflux, 3 h;

triphenylphosphine; lithium chloride; bis(dibenzylideneacetone)-palladium(0) in tetrahydrofuran a soln. of ferrocene in THF was added to a suspn. of biphenyl, PPh3 and LiCl in THF, the mixt. was heated to reflux for 48 h, cooled to room temp. (Ar); diluted with CH2Cl2, washed with 10percent aq. HCl, water, with brine, dried over MgSO4, the solvent was removed in vac., chromd. on silica gel (isohexane; isohexane-CH2Cl2);

hydrogenchloride; sodium iodide; sodium nitrite

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; copper(II) oxide in N,N-dimethyl-formamide DMF, 100°C, 0.5 h (Ar);

(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride in tetrahydrofuran a mixt. in THF was stirred for 72 h at room temp. (Ar); poured into 10percent aq. HCl, extd. with CH2Cl2, washed with water, dried over MgSO4, solvent was removed in vac., flash chromy. on silica gel (isohexane, isohexane-CH2Cl2); crystd. from hexane;