作者:Frank Estler、Georg Eickerling、Eberhardt Herdtweck、Reiner Anwander
DOI:10.1021/om020783s
日期:2003.3.1
The synthesis of a series of heteroleptic ate-complex-free rare-earth(III) diamide complexes by alkane and amine elimination reactions, starting from Ln(CH2SiMe3)3(THF)2 and Ln(NiPr2)3(THF)x (x = 1, Ln = Sc, Lu; x = 2, Ln = Y), respectively, is described. 2,6-Bis(((2,6-diisopropylphenyl)amino)methyl)pyridine (H2BDPPpyr) formed monomeric complexes of the types (BDPPpyr)Ln(CH2SiMe3)(THF)x (x = 1, Ln =
从Ln(CH 2 SiMe 3)3(THF)2和Ln(N i Pr 2)3开始,通过烷烃和胺消除反应合成一系列无杂配物的无配合物的稀土(III)二酰胺配合物分别描述了(THF)x(x= 1,Ln = Sc,Lu;x= 2,Ln = Y)。2,6-双((((2,6-二异丙基苯基)氨基)甲基)吡啶(H 2 BDPPpyr)形成的单体络合物类型为(BDPPpyr)Ln(CH 2 SiMe 3)(THF)x(x = 1,Ln = Sc,Lu; x= 2,Ln = Y)和(BDPPpyr)Ln(N i Pr 2)(THF)(Ln = Sc,Lu),对于较小的金属中心scan,二异丙酰胺配位以及供体溶剂如四氢呋喃。甲硅烷基烷基络合物通过二级烷烃消除转化为酰胺衍生物,即与HNEt 2和HN(SiHMe 2)2反应,增加了络合物的稳定性。单THF加合物(BDPPpyr)Sc(L)(THF)在溶液中显示出非