Synthesis and characterization of 2,7-dihydro-1H-dinaphtho[c,e]tellurepin: a new heterocyclic telluride |
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| Authors: | Ali Z Al-Rubaie Tarik A Fahad Naji A Aboud |
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| Institution: | a Department of Chemistry, College of Science, University of Basrah, Basrah, Iraq
b Department of Chemistry, College of Education, University of Basrah, Basrah, Iraq |
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| Abstract: | Synthesis of the racemic cyclic telluride, i.e., 2,7-dihydro-1H-dinaphtho-c,e]tellurepin (1), possessing a C2 axis was based on the reaction of 2,2′-bis(bromomethyl)-1,1′-binaphthalene with potassium tellurocyanate in dry DMSO. Reaction of halogens with 1 gave the diiodo (2), dibromo (3) and dichloro (4) derivatives. Treatment of 1 with iodomethane and iodoethane gave the methyl- and ethyl tellurepinium iodides, 5 and 6, respectively.Compound 1 reduced the carbonyl groups in DDQ and TCQ to hydroxyl groups. Mononuclear palladium(II) complex, (C22H16Te)2PdCl2], was prepared by reaction of 1 with PdCl2(NCPh)2].All new compounds were characterized by elemental analysis and spectroscopic techniques. |
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| Keywords: | Tellurocyanate Tellurepin Chirality Palladium(II) DDQ TCQ |
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