in pyridine-D5 reaction in NMR-tube, under N2 with exclusion of air and water;; complicated product mixture, no single organometallic product isolated; monitored by (1)H-NMR-spectroscopy;;

in pyridine-D5 reaction in NMR-tube, under N2 with exclusion of air and water;; complicated product mixture, no single organometallic product isolated; monitored by (1)H-NMR-spectroscopy;;

in benzene-d6 Kinetics; soln. of (C5Me5)2SmMe(THF) in C6D6 prepared in NMR-tube, tube cooled in a liquid nitrogen-bath, evacuated and sealed; after 6 days at room temp. complete convertion;; monitored by (1)H-NMR-spectroscopy;;