Reaction of RuH2(PMe3)4 with benzaldehyde. Formation of novel oxametallacycle and metallacycloketone complexes via C-H bond activation of aldehyde

Article abstract of DOI:10.1016/0022-328X(94)80127-4

The PMe3-coordinated ruthenium dihydride complex RuH2(PMe3)4 (1) reacted with PhCHO in toluene at -20 deg C to give an oxaruthenacycle complex (2) and 1 equivalent of PhCH2OH.The same reaction carried out at elevated temperatures, on the other hand, affor