Rare-Earth Metal Alkyl, Amido, and Cyclopentadienyl Complexes Supported by Imidazolin-2-iminato Ligands: Synthesis, Structural Characterization, and Catalytic Application
作者:Alexandra G. Trambitas、Tarun K. Panda、Jelena Jenter、Peter W. Roesky、Constantin Daniliuc、Cristian G. Hrib、Peter G. Jones、Matthias Tamm
DOI:10.1021/ic9024052
日期:2010.3.1
[(1)MCl2(THF)3] (2a, M = Sc; 2b, M = Y; 2c, M = Lu) and the gadolinium complex [(1)GdCl2(THF)2]·[LiCl(THF)2] (2d), containing the 1,3-bis(2,6-diisopropylphenyl)imidazolin-2-iminato ligand 1, proved to be versatile starting materials for the preparation of trimethylsilylmethyl (“neosilyl”) and bis(trimethylsilyl)amido complexes [(1)M(CH2SiMe3)2(THF)2] (3a−3d) and [(1)M(HMDS)2(THF)] [4a−4d, HMDS = hexamethyldisilazide
稀土金属二氯化物[(1)MCl 2(THF)3 ](2a,M = Sc; 2b,M = Y; 2c,M = Lu)和complex配合物[(1)GdCl 2(THF)2 ] ·含有1,3-双(2,6-二异丙基苯基)咪唑啉-2-亚氨基配体1的[LiCl(THF)2 ](2d)被证明是制备三甲基甲硅烷基甲基(“新甲硅烷基”)的通用原料和双(三甲基甲硅烷基)酰胺基络合物[(1)M(CH 2 SiMe 3)2(THF)2 ](3a- 3D)和[(1)M(HMDS)2(THF)] [ 4A - 4D,HMDS =六甲基二硅,N(森达3)2 ]和苄基配合物的制备[(1)路(CH 2博士)2(THF)2 ](5c),分别与LiCH 2 SiMe 3,Na [N(SiMe 3)2 ]和KCH 2 Ph反应。用KCp *处理2a - 2c得到单(五甲基环戊二烯基)络合物[(1)Sc(Cp *)Cl(THF)](6a),[(1)Y(Cp