Synthesis and Structural Characterization of the Ruthenium Complex Based on 1,2-Dicarba-closo-dodecaborane-1,2-dithiolate Ligand and FcCH(OH)C≡CH
Jiurong Hu, J. H. Wang, K. G. Jin, Cheng-Chen Zhu
Abstract
A new complex [(p-Cymene)Ru(S2C2B10H9)(CH2CCH(OH)Fc)]2 · 0.5H2O (Fc = ferrocenyl) based on the 1,2-dicarba-closo-dodecaborane-1,2-dithiolate ligand and FcCH(OH)C≡CH has been synthesized successfully and characterized by IR, NMR, MS, elemental analysis and single-crystal X-ray diffraction, in which the alkyne is inserted into one of the Ru–S bonds that may further lead to metal-induced B‒H activation, hydrogen atom transfer from the carborane via the metal center to the inserted alkyne, and the generation of a Ru–B bond. The complex crystallizes in triclinic system, space group $$P\bar {1}$$ with a = 12.7329(5), b = 13.8422(5), c = 20.0796(7) Å, α = 87.249(3)°, β = 89.311(3)°, γ = 62.961(4)°, C50H73B20O2.5S4Fe2Ru2, Mr = 1372.37, V = 3148.39(19) Å3, ρc = 1.448 g/cm3, Z = 1, F(000) = 1394, µ(MoKα) = 1.094 mm–1, R = 0.0473 and ωR = 0.0990 for 9294 observed reflections (I > 2σ(I)).