hydrogenchloride in hydrogenchloride a soln. of Ti-complex in 35percent HCl stirred for 5 min at ambient temp.; filtered; dried; recrystd. from CHCl3; elem. anal.;

n-C4H9Li; isopropylcyclopentadiene isomers in tetrahydrofuran; hexane; toluene 1.9 M soln. of n-BuLi in hexanes added under N2 to soln. of (CH3)2CHC5H4 in THF, cooled with dry ice/acetone bath, allowed to warm to room temp., this added to soln. of TiCl4 in toluene, stirred for 2 h, washed 3 times with 3 M HCl; org. layer washed with water, concd., filtered;

hydrogenchloride in tetrahydrofuran condensation of THF (dry, O2 free) to Mg compd. and ZrCl4, -80°C, warmed up to room temp., reflux, 4h, soln. cooled to room temp., evapn. to dryness, residue dissolved in CHCl3, addn. of concd. HCl, sepn. of CHCl3 phase, Schlenk technique, Ar; aq. phase washed 2x with CHCl3, addn. of concd. HCl, CHCl3 phases driedwith Na2SO4, evapn. to dryness, addn. of HCl gas to diethyl ether soln., filtered, -80°C, ppt. washed with pentane, dried, recrystn. from ether/pentane=1/1; elem. anal.;

in tetrahydrofuran Se powder was allowed to react with Ti complex in THF at room temp. for4 d under Ar; isolated by flash chromy. on SiO2;

in tetrahydrofuran adding ((iPrCp)2TiCl)2 in THF to freshly sublimated S8 under stirring at room temp. , react. time: 3d ; argon atmosphere, equil.; flash chromatography, elem. anal.;

in tetrahydrofuran reduction of fulvene with Na2C10H8 in THF (dry, O2 free), addn. of TiCl3*THF, Schlenk technique, Ar;

in toluene under Ar, 2 equiv. of nBuLi in hexane was added to toluene soln. of TiCl4 at -78 °C, 30 min, 2 equiv. of fulvene-compd. was adde, armign to room temp. and to 65 °C;

in neat (no solvent) mixt. sealed in a glass tube under vac., heated to 120°C for 60 h; tube cooled, opened under an inert gas atmosphere; solid washed with hexane to remove unreacted TiCl4, sublimed at 60°C (0.03 Torr); elem. anal.;