Tromancenium complexes with steric and electronic modulation

被引:1
|
作者
Pavun, Anna [1 ]
Kopacka, Holger [1 ]
Wurst, Klaus [1 ]
Mueller, Thomas [2 ]
Neururer, Florian R. [1 ]
Hohloch, Stephan [1 ]
Bildstein, Benno [1 ]
机构
[1] Univ Innsbruck, Inst Allgemeine Anorgan & Theoret Chem, Innrain 80-82, A-6020 Innsbruck, Austria
[2] Univ Innsbruck, Inst Organ Chem, Innrain 80-82, A-6020 Innsbruck, Austria
基金
奥地利科学基金会;
关键词
Metallocene; Manganese; Structure elucidation; Electrochemistry; 55 Mn NMR spectroscopy; STRUCTURAL-CHARACTERIZATION; MOLECULAR-STRUCTURE; METAL-COMPLEXES; C-H; MANGANESE; CRYSTAL; PENTAMETHYLCYCLOPENTADIENE; CYCLOPENTADIENYL; ACTIVATION; BONDS;
D O I
10.1016/j.jorganchem.2022.122594
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A series of new heteroleptic cationic (eta 7-cycloheptatrienyl)(eta 5-cyclopentadienyl)manganese(I) ("tro-mancenium") sandwich complexes containing the cycloheptatrienyl ligand and various sterically bulky cyclopentadienyl ligands was synthesized in a one-pot two-step procedure via their cymantrene precur-sors by high-power LED photochemistry followed by oxidation. In comparison to their less-substituted congeners which display only partially reversible redox events, these new air-stable tromancenium salts show reversible Mn(I)/Mn(II) and quasi-reversible Mn(I)/Mn(0) redox couples, as intended by the concep-tual design of this work. Full spectroscopic and structural characterization of by 1 H, 13 C, 55Mn NMR, IR, UV-vis spectroscopy, high-resolution mass spectrometry and single crystal structure analysis is reported.(c) 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license ( http://creativecommons.org/licenses/by/4.0/ )
引用
收藏
页数:7
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