摘要:
第5组金属配合物[M(eta5-C5H5)[eta5-C5H4SiMe2(CH2-eta2-CH = CH2)] X](M = Nb,X = Me,CH2Ph,CH2SiMe3; M = Ta,X = Me,合成了CH2Ph)和[Ta(eta5-C5Me5)[eta5-C5H4SiMe2(CH2-eta2-CH = CH2)] X](X = Cl,Me,CH2Ph,CH2SiMe3),其中包含与环戊二烯基环束缚的螯合烯烃配体通过用Na / Hg还原(X = Cl)和还原消除(X =烷基)的相应二氯化金属(iv)[M(eta5-Cp)[eta5-C5H4SiMe2(CH2CH = CH2)] Cl2 ](Cp = C5H5,M = Nb,Ta,Cp = C5Me5,M = Ta)。这些氯和烷基烯烃配位的配合物与CO和异氰酸酯[CNtBu,CN(2,6-Me2C6H3)]反应,得到配体取代的金