n-butyllithium in hexane byproducts: (tributylstannyl)ferrocene; addn. of BuLi/hexane to a stirred suspn. of ferrocene/hexane, addn. (30 min) of TMEDA (temp. rise to 30°C), stirring at room temp. for 16 h, pptn. of dianion-TMEDA complex, cooling to 0°C, addn. of Sn-compd., room temp., stirring (1.5 h); distn., forerun can be chromatographed (SiO2, hexane);

in hexane under N2; slurry of complex treated with Bu3SnCl at 0°C, warmed to ambient temp., stirred overnight; hexane layer diluted with hexane, washed (H2O, brine), dried (K2CO3), evapd., column chromy. (Al2O3, hexane), orange band collected, evapd.; elem. anal.;

1: biscyclopentadienyliron(II) With tert.-butyl lithium in tetrahydrofuran; hexane T=0°C; Inert atmosphereSchlenk technique; 2: tributyltin chloride in tetrahydrofuran; hexane T=0°C; Inert atmosphereSchlenk technique;

in diethyl ether addn. of Bu3SnCl to Fe complex in ether (0°C), warming to ambient temp. (6 h); washing (water, brine), drying org. layer (K2CO3), solvent removal, chromy. (alumina, pentane), collection, solvent removal;

acetyl chloride; aluminium trichloride in dichloromethane byproducts: tributyltin chloride; addn. of acetyl chloride to a suspn. of finely powdered AlCl3 in CH2Cl2 at room temp., react. for 10-15 min (forming of CH3COCl*AlCl3 complex), addn. of Fe-complex in CH2Cl2 (-70°C), stirring at -70°C for 10 min; ice water, extn. of aq. phase with CH2Cl2, drying (MgSO4), evapn., distn. at 80°C, 0.08 mmHg, 2 h (isoln. of byproducts), chromy. (SiO2, hexane, CH2Cl2), chromy. of material that not distill (SiO2, 19:1 hexane-ethyl acetate); elem. anal.;

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

acetyl chloride; aluminium trichloride in dichloromethane byproducts: tributyltin chloride; addn. of acetyl chloride to a suspn. of finely powdered AlCl3 in CH2Cl2 at room temp., react. for 10-15 min (forming of CH3COCl*AlCl3 complex), addn. of Fe-complex in CH2Cl2 (-70°C), stirring at -70°C for 10 min; ice water, extn. of aq. phase with CH2Cl2, drying (MgSO4), evapn., distn. at 80°C, 0.08 mmHg, 2 h (isoln. of byproducts), chromy. (SiO2, hexane, CH2Cl2), chromy. of material that not distill (SiO2, 19:1 hexane-ethyl acetate); elem. anal.;

potassium fluoride; iodine in dichloromethane byproducts: Sn(C4H9)3F; under N2, addn. of I2 to a cooled (-70°C) BSSF soln., mixt. allowed to warm to room temp., stirred overnight; yield >80percent with pure BSSF; purifn. if use of crude BSSF: washed (aq. Na2S2O3), organic layer flashed through Al2O3, removal of solvent, oil dissolved in MeOH, addn. of KF, filtration, filtrate dried in vac., extn. (Et2O), flashed through Al2O3;

in dichloromethane byproducts: Sn(C4H9)3Cl; under N2, addn. of ICl to a cooled (-70°C) BSSF soln., mixt. allowed to warm to room temp., stirred overnight;

in dichloromethane stirred for 12 h at -79°C;