lithium aluminium tetrahydride in diethyl ether T=45°C; 2 h; Inert atmosphereSchlenk technique;

in water T=135°C; 4 h;

1: With sodium tetrahydroborate in water; N,N-dimethyl-formamide T=20°C; 12 h; 2: With acetic acid in water; N,N-dimethyl-formamide pH=5;

in methanol; sodium hydroxide aq. NaOH; (N2); a soln. of NaBH4 in aq. NaOH added to a MeOH soln. of Fe complex at 0°C, stirred and allowed to warm to room temp. overnight; evapd., extd. (Et2O), the org. layer washed (H2O), dried (MgSO4), filtered, evapd. (vac.);

samarium diiodide in tetrahydrofuran N2-atmosphere; molar ratio SmI2:ferrocene derivative:water=2.6:1:11, 0-25°C, 10 min; addn. of ice water, filtration over SiO2, concn.;

sodium tetrahydridoborate in chloroform byproducts: methanol; Fe-contg. compd. (2.00 mmol) and 2-amino-2-methylpropan-1-ol (2.10 mmol)were dissolved in CHCl3 and the soln. was refluxed for 3 h under Ar; th e solvent was removed, the residue was dissolved in CH3OH; cooling in anice bath; B-contg. compd. addn.; the react. was terminated by addn. of aq. NaOH soln.; the mixt. was extd. with CH2Cl2; the exts. were washed with satd. aq. NaCl soln., dried over MgSO4 and evapd. under vac.; chromy. on short silica gel column (ethyl acetate as eluent); elem. anal.;

propene; carbon monoxide; hydrogen in N,N-dimethyl-formamide High Pressure; soln. of Mn(CO)5(CpFeC5H4) in DMF pressurised in autoclave successivelywith 8 bar of propene, 15 bar of CO, and 15 bar of H2, stirred at 100°C for 20 h; evapd. in vac., extd. with CH2Cl2, sepd. by preparative thin layer chromy. (CH2Cl2);

in diethyl ether (Ar or N2); addn. of iron complex to Et2O with LiAlH4, stirring for 3 h at room temp.; addn. to a mixt. of cold water and ethyl acetate, extn. with Et2O, drying (Na2SO4), evapn., column chromy. (SiO2, Et2O), evapn.;

in diethyl ether under Ar; LiAlH4 in anhyd. Et2O added dropwise to Fe complex in anhyd. Et2O; stirred at room temp. for 30 min; aq. soln. of NH4Cl slowly added; ether phase sepd.; aq. phase extd. withEt2O; combined org. phases washed with H2O and brine; dried over Na2SO4 ; filtrate evapd. under vac.;

in diethyl ether soln. of Fe compd. added slowly to suspn. of LiAlH4, refluxed for 13 h at 50°C; 1:1 mixt. of EtOH-ether added, mixt. poured into excess of ice cold 2 M NaOH soln., aq. and ether phases sepd., aq. phase washed with ether, ether fractions washed with 1 M NaOH and water, dried with MgSO4, solvent removed in vac., chromy.; elem. anal.;