Syntheses, Structures, and Catalytic Activities of the Anionic Heterobimetallic Rare-Earth Metal Complexes Supported by Pyrrolyl-Substituted 1,2-Diimino Ligands
作者:Wei Wang、Xiaojia Wang、Shuangliu Zhou、Xiaolong Xu、Jun Du、Lijun Zhang、Xiaolong Mu、Yun Wei、Xiancui Zhu、Shaowu Wang
DOI:10.1021/acs.inorgchem.8b01556
日期:2018.8.20
rare-earth metal complexes (L3)2RELi(THF)2 (RE = Pr (11), Sm(12), Eu(13)). Reactions of [(Me3Si)2N]3RE(μ-Cl)Li(THF)3 with 2 equiv of (R,R)-1,2-bis(pyrrol-2-ylmethyleneamino)cyclohexane (H2L4) also gave the heterobimetallic rare-earth metal complexes (L4)2RELi(THF)2 (Ln = Pr(14), Sm(15)). All complexes were characterized by spectroscopic methods and elemental analyses, and complexes 5–11, 13, and 14
通过[(Me 3 Si)2 N] 3 RE(μ-Cl)反应以高收率合成了一系列由反式或手性吡咯基取代的1,2-二亚氨基配体支撑的阴离子杂双金属稀土金属配合物。Li(THF)3与相应的1,2-二亚氨基配体。[(Me 3 Si)2 N] 3 RE(μ-Cl)Li(THF)3与2当量的反式-1,2-双(吡咯-2-基亚甲基)-1,2-二苯乙二胺(H 2 L 1)提供了离散的离子对稀土金属配合物[Li(THF)4 ] + [(L 1)2 RE] -(RE = Sm(5),Dy(6),Er(7))。[(Me 3 Si)2 N] 3 RE(μ-Cl)Li(THF)3与2当量的(R,R)-1,2-双(吡咯-2-基亚甲基)-1,2-的反应二苯乙二胺(H 2 L 2)得到杂双金属稀土金属配合物(L 2)2 RELi(THF)2(RE = Sm(8),Y(9))。当稀土金属为Er时,获得手性线性稀土配位聚合物(L