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Acta Chimica Sinica >

2013 , Vol. 71 >Issue 06: 892 - 896

DOI: https://doi.org/10.6023/A13030346

Article

Reactivity of Dinuclear Ruthenium Complex Containing One μ-Se2 Unit and Two 1,2-Dicarba-closo-dodecaborane-1,2-dithiolate Ligands toward (cyclo-C6H10)(OH)C≡CH

  • Hu Jiurong ,
  • Peng Huanan ,
  • Hu Xin ,
  • Ye Hongde ,
  • Yan Hong
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  • a State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Jiangsu 210093;
    b School of Chemistry and Chemical Engineering, Shangrao Normal University, Jiangxi 334001

Received date: 2013-03-29

  Online published: 2013-05-02

Supported by

Project supported by the National Natural Science Foundation of China (Nos. 21261020, 21271102), the Scientific and Technological Landing Project of Higher Education of Jiangxi Province (No. KJLD12094), and the Science and Technology Research Project of Key Laboratory of Higher Institutions of Jiangxi Province (No. GJJ12704).

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Abstract

Treatment of (p-cymene)Ru2(μ-Se2)(S2C2B10H10)2 (1) with (cyclo-C6H10)(OH)C≡CH in dichloromethane led to addition complexes, (p-cymene)Ru2(μ-Se2)(S2C2B10H10)2(R1C=CR2) [R1=H, R2=(cyclo-C6H10)(OH) (2); R1=(cyclo-C6H10)(OH), R2=H (3)]. In boiling chloroform both 2 and 3 spontaneously lose water to generate two geometrical isomers (p-cymene)Ru2(μ-Se2)(S2C2B10H10)2 (R1C=CR2) [R1=H, R2=cyclo-C6H9 (4); R1=cyclo-C6H9, R2=H (5)], respectively. Complexes 4 and 5 could be interconverted in refluxing toluene. In all products alkyne addition occurs at the sulfur atoms of the two individual chelating 1,2-dicarba-closo-dodecaborane-1,2-dithiolate ligands that leads to a change of the 16e Ru(IV) center in 1 to the 18e Ru(II) center in 2～5. The molecular structure of complex 2 has been determined by X-ray crystallography. All these complexes were characterized by elemental analysis, mass and NMR spectroscopy.

Key words： ortho-carborane; (cyclo-C6H10)(OH)C≡CH; chalcogenide element; ruthenium complexes; synthesis

Cite this article

Hu Jiurong , Peng Huanan , Hu Xin , Ye Hongde , Yan Hong . Reactivity of Dinuclear Ruthenium Complex Containing One μ-Se2 Unit and Two 1,2-Dicarba-closo-dodecaborane-1,2-dithiolate Ligands toward (cyclo-C6H10)(OH)C≡CH[J]. Acta Chimica Sinica, 2013 , 71(06) : 892 -896 . DOI: 10.6023/A13030346

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