Table 2.
Products from [(TPFPP)CrIII]+ (1) + ligands and their behavior upon CID.
| synthesisa | L | Product | CID reaction | Eappb |
|---|---|---|---|---|
| Sc | PhIO | 2 | - | - |
| S | γ-picoline-O | +L | 1-L → 2 + γ-picoline (90%) | 0.48 |
| 1-L → 1 + γ-picoline-O (10%) | 0.58 | |||
| S,G | γ-picoline | +L | 1-L → 1 + γ-picoline | 0.55 |
| S | py-O | +L | 1-L → 2 + py (75%) | 0.41 |
| 1-L → 1 + py-O (25%) | 0.38 | |||
| S,G | py | +L | 1-L → 1 + py | 0.56 |
| G | NO2 | 2d | –c | – |
| G | C2H4O | +L, +2L | 1-L → 1 + L | –e |
| 1-L2 → 1-L + L | –e | |||
| S | DMSO | +L | 1-L → 1 + L | 0.43 |
| G | Me2S | +L, +2L | 1-L → 1 + L | –e |
| 1-L2 → 1-L + L | –e | |||
| S,G | TEMPO | +L | 1-L → TEMPO+ + [(TPFPP)CrII] | –e |
| S | OPPh3 | +L, + 2L | 1-L → 1 + L | 0.56 |
| S,G | OP(OMe)3 | +L, + 2L | 1-L → 1 + L | 0.58 |
| 1-L2 → 1-L + L | ||||
| S,G | P(OMe)3 | + L | 1-L → 1 + L | 0.31 |
S = prepared in solution from 5 μM 1-Cl + 5 μM LO in MeOH, followed by electrospray; G = formed in the gas phase from 1 + L.
Phenomenological appearance energies in kcal mol−1.
The so-formed ion 2 is stable towards CID in the energy range explored.
Efficiency 22%.
Not available.