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| Title: | 2-[2-(4-Methoxyphenyltelluro)ethyl]thiophene (L1) bis[2-(2-thienyl)ethyl] telluride (L2) and their metal complexes; crystal structure of trans-dichlorobis{2-(2-(4-methoxyphenyltelluro)ethyl)thiophene-Te} palladium(II) and {bis[2-(2-thienyl)ethyl] telluride}dichloro(p-cymene)ruthenium(II) |
| Authors: | Bali, Sumit
Singh, Ajai K
Sharma, Pankaj
Toscano, R A
Drake, J E
Hursthouse, M B
Light, M E |
| Keywords: | 2-[2-(4-Methoxyphenyltelluro)ethyl]thiophene
Bis[2-(2-thienyl)ethyl] telluride
Organotellurium ligands
Metal complexes
Synthesis
Crystal structure |
| Issue Date: | 2004 |
| Citation: | Journal of Organometallic Chemistry, 689(14), 2346-2353 |
| Abstract: | The reaction of ArTe− (Ar=4-MeOC6H4) and Te2− generated in situ by borohydride reduction of Ar2Te2 and Te, respectively, with 2-(2-thienyl)ethyl chloride has resulted in 2-[2-(4-methoxyphenyltelluro)ethyl]thiophene (L1) and bis[2-(2-thienyl)ethyl] telluride (L2), respectively. Their complexes [AgNO3(L1)] (1) [PdCl2(L1)2] (2) [PtCl2(L1)2] (3) [HgBr2(L1)]2 (4) [Ru(p-cymene)Cl2(L1)] (5) [Ru(p-cymene)Cl2(L2)] (6) and [PdCl2(L2)2] have been synthesized. The ligands and complexes exhibit characteristic 1H and 13C{1H} NMR spectra. Both the ligands coordinate only through Te in all the complexes. The single crystals of 2 and 6 are characterized by X-ray diffraction. Compound 2 has square planar geometry around Pd and trans arrangement of ligands. The Pd–Te bond distances 2.5951(7) and 2.5872(7) Å are longer than the values expected due to strong trans influence. The unique intermolecular secondary TeCl interaction (distance=3.450/3.449 Å) between neighbouring molecules has been observed in the... |
| URI: | http://eprint.iitd.ac.in/dspace/handle/2074/1314 |
| Appears in Collections: | Chemistry
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