Iridium(I)- and Rhodium(I)-Olefin Complexes Containing an α-Diimine Supporting Ligand

被引：0
|
作者：
Kovach, James [1 ]
Golisz, Suzanne R. [1 ]
Brennessel, William W. [1 ]
Jones, William D. [1 ]
机构：
[1] Univ Rochester, Dept Chem, Rochester, NY 14627 USA
来源：
ORGANOMETALLICS | 2022年 / 41卷 / 22期
基金：
美国国家科学基金会;
关键词：
C-H ACTIVATION; STERICALLY DEMANDING LIGANDS; TRANSITION-METAL-COMPLEXES; CHLORIDE COMPLEXES; BOND ACTIVATION; PHOTOCHEMISTRY; CLEAVAGE; DIOXYGEN; BENZENE;
D O I：
10.1021/acs.organomet.2c00036
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Iridium(I) complexes of the type IrX(olefin)(alpha-diimine) (alpha-diimine = 1,4-bis(2,6-xylyl)-2,3-dimethyl-1,4-diaza-1,3-butadiene; X = Cl, I, Me, O2CCF3; olefin = ethylene, cyclooctene (COE)) were synthesized from the readily available precursor [IrCl(COE)(2)](2). These complexes display unusual H-1 NMR spectra and have large UV- vis extinction coefficients. NOESY and HSQC NMR experiments were used to provide rigorous NMR spectral assignments, and IrCl(C2H4)(alpha-diimine), 1, and IrCl(COE)(alpha- diimine), 4, were structurally characterized by X-ray crystallography. The related rhodium complex [RhCl(alpha-diimine)]2, 6, was also synthesized and characterized by NMR and X-ray crystallography. 6 was observed to be in equilibrium with RhCl(C2H4)(alpha-diimine), 7, under an ethylene atmosphere.
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收藏
页码：3167 / 3174
页数：8
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