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. Author manuscript; available in PMC: 2011 Mar 31.
Published in final edited form as: J Am Chem Soc. 2010 Mar 31;132(12):4336–4343. doi: 10.1021/ja9103638

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-L21-L + L e
S DMSO +L 1-L → 1 + L 0.43
G Me2S +L, +2L 1-L → 1 + L e
1-L21-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-L21-L + L
S,G P(OMe)3 + L 1-L → 1 + L 0.31
a

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.

b

Phenomenological appearance energies in kcal mol−1.

c

The so-formed ion 2 is stable towards CID in the energy range explored.

d

Efficiency 22%.

e

Not available.