in tetrahydrofuran under Ar using Schlenk techniques; soln. of Ti(N(Ph)CH2CH2C5H4N)Cl3 in THF cooled to -95°C; soln. of NaC5H5 in THF added dropwise; mixt. stirred for 5.5 h; slowly warmed to room temp.; volatiles removed; residue extd. (toluene); soln. concd. and placed at -20°C; elem. anal;