hydrogen; nickel T=200°C; P=91938.4 Torr;

1,10-phenanthroline in neat (no solvent) condensing (CF3)4Sn (2.0 mmol) in vac. onto Pb(C6H4CH3)4 (0.35 mmol); heating for 30 min at 80°C;; removing excess educts on a vac. line; addn. of 1,10-phenanthroline (equimolar amt. to (CF3)4Sn trapped at -95°C and determined by 19F-NMR); sepg. from ppt.;;