Synthesis, Characterization, and L-Lactide Polymerization Behavior of the Dinuclear Amidinate Rare Earth Metal Amide Complexes
作者:Shu-Hui Chi、Yun-Jie Luo、Jue Chen
DOI:10.1080/15533174.2013.783863
日期:2014.4.21
Amine elimination of rare earth metal tris(amide) complexes Ln[N(SiHMe2)2]3(THF) x (Ln = Sc, x = 1; Ln = Y, La, Lu, x = 2) with 0.5 equivalent of the bridged-amidines H2L (1,4-R[CN(2,6-Me2C6H3)}NH(2,6-Me2C6H3)}]2) (R = C6H4, (L1); R = C6H10, (L2)) in THF at 60°C afforded a series of dinuclear amidinate rare earth metal amide complexes [(Me2HSi)2N)]2ScL1Sc[N(SiHMe2)2]2 (1), (THF)[(Me2HSi)2N)]2 Ln
胺消除稀土金属三(酰胺)配合物Ln [N(SiHMe 2)2 ] 3(THF)x(Ln = Sc,x = 1; Ln = Y,La,Lu,x = 2),当量为0.5桥联H H 2 L(1,4-R [C N(2,6-Me 2 C 6 H 3)} NH(2,6-Me 2 C 6 H 3)}] 2)(R = C 6 H 4,(L 1); R = C 6 H 10,(L 2) ))在60°C的四氢呋喃中得到一系列双核a酰胺稀土金属酰胺配合物[(Me 2 HSi)2 N)] 2 ScL 1 Sc [N(SiHMe 2)2 ] 2(1),(THF)[ (Me 2 HSi)2 N)] 2 LnL 1 Ln [N(SiHMe 2)2 ] 2(THF)(Ln = Y(2),La(3),Lu(4))和(THF)[[ Me 2 HSi)2 N)] 2 YL 2 Y [N(SiHMe 2)2 ] 2(THF)