无水YCl3与一倍量的LLi(L=2, 4-二苯胺基-2-戊烯基)在甲苯-四氢呋喃(THF)中反应, 分离得到了双烯酮亚胺稀土二氯化物LYCl2(THF)2, 并测定了其晶体结构. 配合物属正交晶系, Pna21空间群, 晶胞参数为a=1.9612(5) nm, b=0.9582(3) nm, c=1.4203(4) nm, V=2.669(1) nm3, Z=6, Dc=1.377 mg*m-3, μ= 2.408 mm-1 (Mo Kα), F(000)=1144, R=0.0358, wR=0.0640. 中心金属钇原子与双烯酮亚胺基上的2个氮原子、 2个氯原子以及2个四氢呋喃上的氧原子配位, 形成一个六配位的、稍扭曲的八面体几何构型的配合物.
参考文献
| [1] | Qian BX.;Smith MR.;Ward DL. .Synthesis, structure, and reactivity of beta-diketiminato aluminum complexes[J].Organometallics,1998(14):3070-3076. |
| [2] | Radzewich C E;Guzei I A;Jordan R F .Three-coordinate cationic aluminum alkyl complexes incorporating β-diketiminate ligands[J].Journal of the American Chemical Society,1999(121):8673. |
| [3] | Gibson V C;Segal J A;White A J P et al.Novel mono-alkyl magnesium complexes stabilized by a bulky β-diketiminate ligand: structural characterization of a coordinatively unsaturated trigonal system[J].Journal of the American Chemical Society,2000,122(29):7120. |
| [4] | Rahim M.;Xin SX.;Collins S.;Taylor NJ. .Synthesis and structure of acyclic bis(ketenimine) complexes of zirconium[J].Organometallics,1998(7):1315-1323. |
| [5] | Kim WK.;Liable-Sands LM.;Rheingold AL.;Theopold KH.;Fevola MJ. .[(Ph)(2)nacnac]MCl2(THF)(2) (M = Ti, V, Cr): A new class of homogeneous olefin polymerization catalyst featuring beta-diiminate ligands[J].Organometallics,1998(21):4541-4543. |
| [6] | Cheng M.;Coates GW.;Lobkovsky EB. .Catalytic reactions involving C-1 feedstocks: New high-activity Zn(II)-based catalysts for the alternating copolymerization of carbon dioxide and epoxides[J].Journal of the American Chemical Society,1998(42):11018-11019. |
| [7] | Chamberlain B M;Cheng M;Moore D R et al.Polymerization of lactide with zinc and magnesium β-diiminate complexes: Stereocontrol and mechanism[J].Journal of the American Chemical Society,2001,123(14):3229. |
| [8] | Drees D;Magull J .New complexes of the lanthanoides with bidentate ligands.The crystal structures of [(C17H17N2)GdBr2(thf)2] and [(C17H17N2)3Ln] (Ln=Sm,Gd)[J].Zeitschrift fur Anorganische und Allgemeine Chemie,1994,620:814. |
| [9] | Lee L W M;Piers W E;Elsegood M R J et al.Synthesis of dialkylscandium complexes supported by β-diketiminato ligands and activation with tris(pentafluorophenyl)borane[J].Organometallics,1999,18(16):2947. |
| [10] | Yao YM.;Zhang Y.;Shen Q.;Yu KB. .Synthesis, reactivity, and structure of mixed-ligand ytterbium complexes supported by beta-diketiminate[J].Organometallics,2002(5):819-824. |
| [11] | Taylor M D;Carter C P .Preparation of anhydrous lanthanide halides,especially iodides[J].Journal of Radioanalytical and Nuclear Chemistry,1962,24(02):387. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%