摘要:
去质子化米-亚苯基桥连的双(β-二亚胺基)配体(PBDI我镨-H 2 = [2,6-我镨2 ç 6 ħ 3 NHC(Me)的C(H)C(Me)的N] 2 - (米亚苯基); PBDI的Et -H 2 = [2,6-ET 2 ç 6 ħ 3 NHC(Me)的C(H)C(Me)的N] 2 - (米-亚苯基); PBDI我-H 2 = [2,6-Me 2 C 6 H 3 NHC(Me)C(H)C(Me)N] 2-(m-亚苯基))通过稀土金属三(烷基)Ln(CH 2 SiMe 3)3(THF)2(Ln = Y,Lu,Sc)得到一系列稀土金属双(烷基)配合物: PBDI我镨- [Y(CH 2森达3)2 ] 2(THF)2(1),PBDI的Et - [LN(CH 2森达3)2 ] 2(THF)ñ(2a中,Ln为Y,ñ = 2; 2b,Ln = Lu,n = 2; 2c,Ln = Sc,n= 1),和PBDI