期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 26, 期 14, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.202200772
关键词
bis(thiophen-2-yl) ditellane; reaction mechanisms; ruthenium; tellurium; X-ray diffraction
The reaction between [RuCl2(CO)(3)](2) and Te(2)Tpn(2) (Tpn=thiophen-2-yl, C4H3S) in the absence of light resulted in the formation of cct-[RuCl2(CO)(2)(TeTpn(2))(2)] (1) [cis(Cl)-cis(CO)-trans(TeTpn(2))] and TeTpn(2) (2), along with the precipitation of tellurium. Both complex 1 and monotelluride 2 were characterized using NMR spectroscopy and single-crystal X-ray diffraction. The decomposition of Te(2)Tpn(2) to TeTpn(2) was found to be faster than the ligand substitution in [RuCl2(CO)(3)](2) by TeTpn(2) based on Te-125 NMR spectroscopy.
The reaction of [RuCl2(CO)(3)](2) and Te(2)Tpn(2) (Tpn=thiophen-2-yl, C4H3S) in the absence of light resulted in the formation of cct-[RuCl2(CO)(2)(TeTpn(2))(2)] (1) [cis(Cl)-cis(CO)-trans(TeTpn(2))] and TeTpn(2) (2) together with the precipitation of tellurium. The complex 1 and the monotelluride 2 were characterized by NMR spectroscopy and single-crystal X-ray diffraction. The decomposition of Te(2)Tpn(2) to TeTpn(2) has been monitored by Te-125 NMR spectroscopy and seemed to be faster than the ligand substitution in [RuCl2(CO)(3)](2) by TeTpn(2). A catalytic cycle is proposed for the decomposition of Te(2)Tpn(2) to TeTpn(2) based on the PBE0-D3/def2-TZVP calculations.
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