Synthesis and Reactivity of <i>NNNNN</i>-Pincer Multidentate Pyrrolyl Rare-Earth-Metal Amido-Chloride or Dialkyl Complexes
作者:Weiming Sheng、Xiaolong Xu、Shuangliu Zhou、Xiuli Zhang、Zeming Huang、Jun Du、Lijun Zhang、Yun Wei、Xiancui Zhu、Peng Cui、Shaowu Wang
DOI:10.1021/acs.organomet.0c00606
日期:2020.12.28
3)2] (RE = Y (2a), Sm (2b), Dy (2c), Er (2d), Yb (2e)) were synthesized by one step from reactions of [(Me3Si)2N]3RE(μ-Cl)Li(THF)3 with 2,5-[CH3N(CH2CH2)2NCH2]2}C4H2NH (1). Reactions of compound 1 with RE(CH2SiMe3)3(THF)2 gave the rare-earth-metal dialkyl complexes η1:κ2-2,5-[CH3N(CH2CH2)2NCH2]2C4H2N}Sc(CH2SiMe3)2 (3a) and η1:κ3-2,5-[CH3N(CH2CH2)2NCH2]2C4H2N}RE(CH2SiMe3)2 (RE = Y (3b), Dy (3c),
所述NNNNN -pincer多齿吡咯基稀土类金属的酰氨基-氯配合物η 1:κ 3 -2,5-二[CH 3 N(CH 2 CH 2)2 NCH 2 ] 2 c ^ 4 ħ 2 N} RECL [N (SiMe 3)2 ](RE = Y(2a),Sm(2b),Dy(2c),Er(2d),Yb(2e))由[(Me 3 Si)2 N带有2,5- [CH ]的] 3 RE(μ-Cl)Li(THF)33 N(CH 2 CH 2)2 NCH 2 ] 2 } C 4 H 2 NH(1)。化合物的反应1与RE(CH 2森达3)3(THF)2,得到稀土类金属络合物二烷基η 1 κ:2 -2,5- [CH 3 N(CH 2 CH 2)2 NCH 2 ] 2 C 4 H 2 N} Sc(CH 2 SiMe 3)2(图3a)和η 1:κ 3 -2,5-二[CH 3 N(CH 2 CH 2)2 NCH 2 ]