aluminium chloride in dichloromethane ferrocene (1.0 equiv.) added to a stirred suspension of benzoyl chloride(1.1 equiv.) and aluminium chloride (1.1 equiv.) in dichloromethane, st irred at room temp. overnight (16 h); washed with water, organic layer passed through a plug of alumina, washed with chloroform, washings concentrated in vacuo, crude product purified by flash column chromy. on silica gel (TLC Rf 0.34 (1:3 ether-hexane)), elem. anal.;

NaI; dichloro bis(acetonitrile) palladium(II) in acetone Fe-complex, ligand, NaI were dissolved in acetone under Ar, Pd-complex was added, stirred at room temp. for 0.5 h; passed through silica, evapd. in vac., column chromy. on silica with benzene;

1-ethyl-3-methylimidazolium iodide-AlCl3 (argon); very slow addn. of AlCl3 to 1-ethyl-3-methylimidazolium iodide, addn. of ferrocene to the ionic liquid, stirring (10 min), ice bath (0°C), addn. of BzCl, stirring (0°C, 2 h), quenching (2 M HCl); extraction (CH2Cl2), drying (MgSO4), concn. (vac.), column chromy. (SiO2, hexanes/ethyl acetate, 10:1 to 1:1);

ammonium hydroxide in tetrahydrofuran benzoyl chloride is added to suspension of ferrocenylcopper in THF under argon, mixt. is stirred for 1.5 h, treated with NH4OH, stirred for 10 min; addn. of benzene, sepn. of organic layer, washing (water), solvent is distilled off (vac.), chromy. (alumina), elution (petroleum ether, petroleum ether-ether);

aluminium trichloride in n-heptane in boiling n-heptane;;

KOH in ethanol stirring for 3 h at room temp.; mixt. poured into water; extn. with benzene; organic part washed with water and dried with MgSO4; chromy. (silica gel, hexane/benzene 5/1), recrystn. from hexane;

1-butyl-3-hexylimidazolium Tf2N; scandium tris(trifluoromethanesulfonate) in neat (no solvent) other Radiation; ferrocene in 1-butyl-3-hexylimidazolium bis(trifluoromethanesulfonyl)imide reacted with (C6H5CO)2O at 127-155°C in presence of Sc(CF3SO3)3 for 4.5 min, stirred under microwave irradiation at 5 W, cooled with air at 30-40 psi; diluted with CH2Cl2;

aluminium trichloride in not given byproducts: 1,1'-Fe(C5H4COC6H5)2; less than equal amt. of ferrocene;;

((CH2)5CC(N(C6H2(CH3)3)CHS))ClO4; KOC(CH3)3; KF in tetrahydrofuran further reagent (18)crown-6; stirred at 25°C for 4 h; diluted with CH3COOC2H5, filtered through pad of silica gel and eluted with CH3COOC2H5, evapn. of solvent followed by column chromy.;

aluminium trichloride in dichloromethane byproducts: C5H5FeC5H4COCH2C6H5;