Four alkoxo tungsten complexes[Cp2W(PMe3)OR]+OTs-(R=Me,Et,n-Pr,i-Pr) and monohydrido tungsten complex [Cp2W(H)(PMe3)]+OTs- were synthesized and characterized by IR, 1H NMR and elemental analysis. The β-elimination of these complexes in dimethyl sulfoxide solvent yields monohydrido tungsten complex [Cp2W(H)(PMe3)]+OTs- and a ketone or aldehyde.
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