Table 1.
Comparison of LCuII/LCuI Redox Potentials and Reactivity of Derived [(L)CuII(O2•−)]+ Complexes.
| DMAtmpa4c | DMMtmpa4h | DMAN3S | |
|---|---|---|---|
|
|
|
|
| p-OMe-DTBP a | No b | No b | Yes |
| AcrH2 a | No b | No b | Yes |
| E1/2, mV c | −700 | −570 | −470 |
Reaction comparisons of [(L)CuII(O2•−)]+ complexes (MeTHF:TFE (4:1) at −135 °C) toward substrates.
Reactions do occur, but only above −100 °C,
E1/2 (vs Fc+/Fc) [(L)CuII(solvent)](ClO4)2 complexes as determined by cyclic voltammetry.7