in not given dissol. of Ln oxide in 3 M HCl; evapn.;

carbon in solid byproducts: CO; at 800°C for 2 h;

in tetrahydrofuran all manipulations under Ar or N2; slowly adding NaC5Me5 to refluxing soln. of LuCl3(THF)3 in THF, refluxing (16 h), cooling to room temp.; filtering, evapg. to almost dryness, adding ether, pptn. of desired complex, filtering; (Na(THF)2)Lu(η5-C5Me5)Cl2 and binuclear complex remaining in Et2O soln.;

in not given extd. with THF;

in neat (no solvent) absence of moisture; large excess AlCl3, evacuated quartz tube, 573 K; fractional sublimation over 450 to 650 K gradient, removal of residual AlCl3 on heating in Cl2/N2 stream;

in tetrachloromethane removal of gaseous impurities at 473 K (6 h) in vac. (1.3E-3 Pa); chem. anal.;

in neat (no solvent) byproducts: H2O; sample heating at =>190°C till weight loss reached the calculatedvalue; gravimetric monitoring;

in ethanol anhydrous ethanol; addn. Et3N to ligand soln., dropwise addn. chloride soln., heating under reflux for 8 h, concn. (pptn.); washing (cold EtOH, ether), recrystn. (EtOH/ether = 1:5); elem. anal.;