NaOH in sodium hydroxide aq. NaOH; Fe complex was treated with 1 N NaOH;

1: With tetrachloromethane; triphenylphosphine in acetonitrile T=0 - 20°C; 0.75 h; Inert atmosphereSchlenk technique; 2: With n-butyllithium in tetrahydrofuran T=0 - 20°C; 0.25 h; Inert atmosphereSchlenk technique;

potassium carbonate in methanol T=20°C; 12 h; Inert atmosphere;

water in tetrahydrofuran inert atmosphere; addn. of LDA in THF at -78°C to soln. of Fe-complex; reaction for 1 h; addn. of phosphate; reaction for 1 h; mixt. raised to room temp.; addn. of LDA in THF at -78°C; warmed to room temp.; hydrolysis at 0°C;; extn. of organic layer with CH2Cl2; dried over MgSO4; evapn.; purifn. of oil by flash chromy. (pentane-ether 2:1); crystn. of first yellow fraction (0°C, pentane); elem. anal.;

copper in neat (no solvent) distn. over Cu-bronze at 130-150°C and 0.3 Torr;;

t-BuOK in toluene Ar-atmosphere; addn. of t-BuOK to equimolar amt. of P-compd. at 0°C, stirring for 30 min, dropwise addn. of 0.5 equiv. of Fe-complex, warming to room temp., stirring for 24 h, addn. of excess t-BuOK, refluxingfor 1 h; solvent removal (reduced pressure), chromy. (SiO2, hexane/CH2Cl2=4:1);

iron trichloride; copper(II) acetate monohydrate; oxygen in dichloromethane; acetic acid ferrocene (3 mmol), CH2Cl2, AcOH, FeCl3 (0.75 mmol), Cu(OAc)2*H2O (0.5 mmol) mixed, C2H2 boobled with stirring for 1 h at ambient temp. and 1.5 h under reflux (75 °C), cooled, Cu(OAc)2*H2O (1.0 mmol) added, C2H2 boobled at stirring for 19.5 h; poured into aq. soln. of ascorbic acid and EDTA disodium salt dihydrate,extracted with CH2Cl2, washed with H2O, dried over Na2SO4, filtered, so lvent removed under vac., column chromd. on silicagel (eluent - petroleum ether-C6H6, 9:1).; m.p.;

n-C4H9Li in tetrahydrofuran Fe complex reacted with n-C4H9Li in THF at 0°C for 10 min, reacted with aq. HCl;

in not given heating of iron complex;

in ethanol 30-40°C;;