Synthesis, spectroscopic and structural characterisation of molybdenum, tungsten and manganese carbonyl complexes of tetrathio- and tetraseleno-ether ligands |
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| Authors: | William Levason Luke P Ollivere Gillian Reid Nikolaos Tsoureas Michael Webster |
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| Institution: | School of Chemistry, University of Southampton, Southampton SO17 1BJ, UK |
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| Abstract: | A range of complexes of the binucleating tetrathio- and tetraseleno-ether ligands, 1,2,4,5-C6H2(CH2EMe)4 (E = S, L3 or Se, L4) or C(CH2EMe)4 (E = S, L5 or Se, L6) and of bidentate analogues 1,2-C6H2(CH2EMe)2 (E = S, L1 or Se = L2) with molybdenum and tungsten carbonyls and manganese carbonyl chloride have been prepared, and characterised by IR and multinuclear NMR (1H, 13C{1H}, 77Se, 55Mn, 95Mo) spectroscopy and mass spectrometry. Crystal structures are reported for Mo(CO)4(L2)], Mo(CO)4(L3)], Mo(CO)4(μ-L3)Mo(CO)4], Mo(CO)4(L4)], Mn(CO)3Cl(μ-L3)Mn(CO)3Cl], Mo(CO)4(μ-L5)Mo(CO)4], Mn(CO)3Cl(L5)] and two forms (containing meso and DL diastereoisomers) of W(CO)4(L5)]. |
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| Keywords: | Manganese Molybdenum Tungsten Tetrathioether Tetraselenoether |
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