Reactions of 5,6,10-{Cl(Ph3P)2Ru}-[5,6,10-(μ-H)3-10-H-exo-nido-7,8-C2B9H8] with bis(diphenylphosphino)methane and 1,2-bis(diphenylphosphino)benzene: specific features

被引：1
|
作者：
Kaltenberg, A. A. [1 ]
Zimina, A. M. [1 ]
Bashilova, A. D. [1 ]
Malysheva, Yu. B. [1 ]
Vorozhtsov, D. L. [1 ]
Piskunov, A. V. [1 ,2 ]
Somov, N. V. [1 ]
Grishin, I. D. [1 ]
机构：
[1] Lobachevsky State Univ Nizhny Novgorod, 23 Prosp Gagarina, Nizhnii Novgorod 603022, Russia
[2] Russian Acad Sci, GA Razuvaev Inst Organometall Chem, 49 Ul Tropinina, Nizhnii Novgorod 603950, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2023年 / 72卷 / 04期
关键词：
ruthenacarboranes; carboranes; 1; 2-bis(diphenylphosphino)benzene; bis(diphenylphosphino)methane; cyclic voltammetry; RAY CRYSTAL-STRUCTURES; BORON CLUSTER ANIONS; CLOSO-RUTHENACARBORANES; DIPHOSPHINE LIGANDS; COMPLEXES; RUTHENIUM(II); DERIVATIVES; REACTIVITY;
D O I：
10.1007/s11172-023-3854-9
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Specific features of reactions of complex 5,6,10-{Cl(Ph3P)(2)Ru}-[5,6,10-(mu-H)(3)-10-H-exo-nido-7,8-C2B9H8] (1) with 1,2-bis(diphenylphosphino)benzene (dppbz) and bis(diphenylphosphino)methane (dppm) in acetonitrile in the presence of amines were studied. Novel closo-ruthenacarborane complexes containing the metal in a formal oxidation state of +2 were isolated. It was established that the reaction of 1 with dppbz affords a complex containing a coordinated acetonitrile molecule, whereas the reaction with dppm results in a tris(phosphine) complex with strongly sterically shielded ruthenium center. Reactions of the newly obtained compounds with carbon tetrachloride or hydrogen chloride give corresponding 17-electron complexes containing the metal atom in a formal oxidation state of +3. The reversibility of the Ru-II -> Ru-III redox transition in the compounds synthesized was investigated by cyclic voltammetry and the influence of the ligand environment on the values of the corresponding redox potentials was assessed.
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收藏
页码：912 / 924
页数：13
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