Synthetic and Structural Investigations of Monomeric Dilithium Boraamidinates and Bidentate NBNCN Ligands with Bulky N-Bonded Groups
作者:T. Chivers、C. Fedorchuk、M. Parvez
DOI:10.1021/ic0352755
日期:2004.4.1
6-diisopropylphenyl) and [Li(2)[PhB(NDipp)(N(t)Bu)](OEt(2))(2)] (7b), prepared by reaction of PhB[N(H)Dipp][N(H)R'] (6a, R' = Dipp; 6b, R' = (t)Bu) with 2 equiv of (n)BuLi, are shown by X-ray crystallography to have monomeric structures with two terminal and one bridging THF ligands (7a) or two terminal OEt(2) ligands (7b). The derivative 7a is used to prepare the spirocyclic group 13 derivative [Li(OEt(2))(
二片式硼酸酰胺络合物[Li(2)[PhB(NDipp)(2)](THF)(3)](7a)(Dipp = 2,6-二异丙基苯基)和[Li(2)[PhB(NDipp)(N (t)Bu)](OEt(2))(2)](7b),通过PhB [N(H)Dipp] [N(H)R'](6a,R'= Dipp; 6b, X射线晶体学表明R'=(t)Bu)具有2当量的(n)BuLi,具有带有两个末端和一个桥接THF配体(7a)或两个末端OEt(2)配体(7b)的单体结构。衍生物7a用于制备X射线所示的螺环基团13衍生物[Li(OEt(2))(4)] [In [PhB(NDipp)(2)](2)](8a)结构分析为溶剂分离的离子对。通过PhBCl(2)与2当量的DippNH(2)反应获得的单氨基衍生物PhBCl [N(H)Dipp](9a)用作四元BNCN环[[R '''N(H)](Ph)B(mu-N(t)Bu)