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| Title: | Hybrid (Te, O) ligands 2- (phenyltelluromethyl) tetrahydro-2H-pyran (L1) and 2-(2-{4-methoxyphenyl} telluorethyl)- 1,3-dioxane (L2), and their palladium(II) and platinum (II) complexes |
| Authors: | Batheja, Raman
Singh, Ajai K |
| Keywords: | 2-(phenantelluromethyl) tetrahydro-2H-pyran
palladium 2-(2-{4-methoxyphenyl}telluroethyl)
1,3-dioxane
platinum complex
ligand
hybrid |
| Issue Date: | 1997 |
| Citation: | Polyhedron, 16(14), 2509-2516 |
| Abstract: | The nucleophilic reaction of in situ generated [ArTe-] with appropriate organic halides has been
used to synthesize 2-(phenyltelluromethyl)-tetrahydro-2H-pyran (L') and 2-(2-{4- ethoxyphenyl} telluorethyl-1,3-dioxane (L2). Their complexes with stoichiometries [MC12(L)z],[M(L)2](CIO4)z, [M(DPPE)(L)2](C104)2, [M(PPh3)2(L)2](C104)2 and [M(phen)(L)2](C104)2 [where M = Pd" or ptu; L = L I or L 2, DPPE = 1,2-bis(di-
phenylphosphino)ethane], have been synthesized. Molecular weight, conductance measurements, IR, UV- visible,H,25Te-{lH} and 31p-{IH} NMR spectra have been used to characterize L t, L 2 and their complexes. Ligation of the two (Te,O) ligands, in all the complexes, except [M(L)2](C104)2, is in the monodentate mode through tellurium only. [PtC12(L)2]-type complexes exist in solution as a mixture of cis and trans isomers, the latter being present in very high abundance. The complexes [PdC12(L)2] exhibit only one v(Pd--C1) between 340 and 350 cm-% consistent with a trans structure. ... |
| URI: | http://eprint.iitd.ac.in/dspace/handle/2074/305 |
| Appears in Collections: | Chemistry
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