in dichloromethane-d2 under Ar; a soln. of Ru-contg. compd. (0.06 mmol) in CD2Cl2 was treated with PMe3 (0.06 mmol); a quick change of colour from yellow to red; detd. by (1)H and (31)P NMR spectra;

in dichloromethane-d2 under Ar; a soln. of Ru-contg. compd. (0.06 mmol) in CD2Cl2 was treated with PMe3 (0.06 mmol); a quick change of colour from yellow to red; detd. by (1)H and (31)P NMR spectra;