Direct
Observation of Reduction of Cu(II) to Cu(I)
by Terminal Alkynes
- Publication date
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Abstract
X-ray absorption spectroscopy and <i>in situ</i> electron
paramagnetic resonance evidence were provided for the reduction of
Cu(II) to Cu(I) species by alkynes in the presence of tetramethylethylenediamine
(TMEDA), in which TMEDA plays dual roles as both ligand and base.
The structures of the starting Cu(II) species and the obtained Cu(I)
species were determined as (TMEDA)CuCl<sub>2</sub> and [(TMEDA)CuCl]<sub>2</sub> dimer, respectively
