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Molybdenum and Tungsten Tricarbonyl Complexes with the Tripodal Ligands [nBuSn(2-pyridyl)3] and [RSn(methylthiomethyl)3]

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journal contribution
posted on 22.09.2001 by Dolores Morales, Julio Pérez, Lucía Riera, Víctor Riera, Daniel Miguel
The ligands [nBuSn(2-pyridyl)3] and [RSn(methylthiomethyl)3] (R = nBu, Me) have been prepared in a one-pot, two-step procedure from the corresponding alkyltin trichloride and 2-pyridyl or methylthiomethyl carbanions. The reaction of these ligands with [M(CO)3(NCR)3] (M = Mo, W) afforded the tricarbonyl compounds [{nBuSn(2-pyridyl)3}M(CO)3] and [{RSn(methylthiomethyl)3}M(CO)3]. In addition to IR and NMR characterization, the structure of three of these new complexes was determined by single-crystal X-ray diffraction.

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