Table 6.
Ligand | H+ affinitya (kJ/mol) | pKa (MeCN) | Keq(Cl) |
---|---|---|---|
PPh3 | 972.8 | 7.61b | 0.7 |
THF | 822.1 | 1.1c | 0.8 |
MeCN | 779.2 | 0 | 9.8 |
DMF | 887.5 | 6.1c | 390 |
2-picoline | 949.1 | 13.32c | 660 |
Pyridine | 930 | 12.53b | 41000 |
CNtBu | 870.7 | 2.71d | 90000 |
Hunter, E. P.; J. Phys. Chem. 1998, 27, 3991–3999.
Kaljurand, I.; Kütt, A.; Sooväli, L.; Rodima, T.; Mäemets, V.; Leito, I.; Koppel, I. A. J. Org. Chem. 2005, 70, 1019–1028.
Izutsu, K. Acid-Base Dissociation Constants in Dipolar Aprotic Solvents; Blackwell Scientific: Oxford, 1990, pp 17–35.
Calculated: see ref 43 and Experimental Section.