Beilstein J. Org. Chem.2016,12, 2450–2456, doi:10.3762/bjoc.12.238
reaction exists in solution as a solvent-separated ion pair with a copper cation. A character of spin-density distribution in a radical anion species leads to the conclusion that the ligand corresponds to type III of the Robin–Day classification.
Keywords: acceptor–donor–acceptortriad; bridging ligand
acceptor–donor–acceptortriad 1.
The EPR spectrum of (1·)H in CHCl3, 293 K: a) experimental and b) experimental + D2O.
The EPR spectrum of (1·)H3 in CHCl3, 293 K: a) experimental, b) simulated, c) experimental + D2O and d) simulated + D2O.
The EPR spectrum of (1·−)H2 THF, 293 K: a) experimental and b
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Graphical Abstract
Figure 1:
The structural formula of acceptor–donor–acceptor triad 1.