Übergangsmetall-substituierte Acylphosphane und Phosphaalkene, VI [1] Phosphaalkenyl-Eisen- und -Rutheniumkomplexe mit Metall-Kohlenstoffkoordination / Transition Metal Substituted Acylphosphines and Phosphaalkenes, VI [1] Phosphaalkenyl Iron and Ruthenium Complexes with Metal-Carbon Coordination

Abstract

Abstract Treatment of the cationic complexes [(η 5 -C 5 Me 5 )M(CO) 3 ] ⊕ BF 4 ⊖ (M = Fe, Ru) (1a , b) with the bulky lithium silyl phosphide LiP(Ar')(SiMe 3 ) (Ar' = 2,4,6-tri-fert-butylphenyl) (2) leads to the phosphaalkenyl complexes (η 5 -C 5 Me 5 )(CO) 2 M - C(OSiMe 3 ) = P ~ Ar' (4a, b). The presence of C = P double bonds in 4a, b was ascertained by 13 C- and 31 P NMR spectra. The geometry at the C = P bond was also deduced from the analysis o f the NMR spectra ( 1 H , 13 C, 31 P)