Abstract
The reaction of 16-electron complex (p-cymene)Ru(S2C2B10H10) (I) with (cyclo-C6H10)(OH)C≡CH in CH2Cl2 at —10 °C leads to a new complex (p-cymene)Ru(S2C2B10H9)(CH2C(OH)(cyclo-C6H10)) (II), which spontaneously lose water to generate complex (p-cymene)Ru(S2C2B10H9)(CH2C(cyclo-C6H9)) (III) in CH2Cl2 at room temperature. Both complexes were characterized by elemental analysis, mass, IR and NMR spectroscopy. X-ray structural analysis was performed on III. For complex III crystallographic data are: space group P21/c, a = 10.9787(11) Å, b = 14.5241(15) Å, c = 17.1028(17) Å, α = 90°, β = 107.8030(10)°, γ = 90°, V = 2596.5(5) Å3, Dc = 1.401 g/cm3, Z = 4, F(000) = 1176, μ = 0.774 mm–1. In the structure, the coordinated terminal alkyne is bonded to one of the Ru–S bonds, B-substitution occurs at the o-carborane cage in the position B(3) with the formation of Ru–B bond, and the central ruthenium atom bonded to a p-cymene ring satisfies the 18-electron rule.
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Text © The Author(s), 2022, published in Zhurnal Strukturnoi Khimii, 2022, Vol. 63, No. 10, 98943.https://doi.org/10.26902/JSC_id98943
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Hu, J.R., Wang, J.H. REACTIVITY OF 16-ELECTRON (p-CYMENE)Ru HALF-SANDWICH COMPLEX CONTAINING A CHELATING 1,2-DICARBA-CLOSO- DODECABORANE-1,2-DITHIOLATE LIGAND WITH 1-ETHYNYL-1-CYCLOHEXANOL. J Struct Chem 63, 1551–1557 (2022). https://doi.org/10.1134/S0022476622100018
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DOI: https://doi.org/10.1134/S0022476622100018