摘要:
                                Ln(CH 2 SiMe 3)3(THF)2(Ln = Y,Lu)与一当量的具有不同空间需求量的HL([CyC(N-2,6- i Pr 2 C 6 H 3)2 ] H(HL 1),[CyC(N-2,6-Me 2 C 6 H 3)2 ] H(HL 2),[PhC(N-2,6-Me 2 C 6 H 3)2 ] H(HL 3))在四氢呋喃中得到一系列单(ami基)稀土金属双(烷基)络合物[CyC(N-2,6- i Pr 2 C 6 H 3)2 ] Ln(CH 2 SiMe 3)2(THF) (Ln = Y(1),Lu(3)),[CyC(N-2,6-Me 2 C 6 H 3)2 ] Ln(CH 2 SiMe 3)2(THF)2(Ln = Y(4),Lu(6))和[PhC(N-2,6-Me 2 C 6 H 3)2] Y(CH 2 SiMe 3)2(THF)2(7)的分离产率为75-89%。对于早期的镧系金属Nd,将NdCl