Table 4.
Ligand | LtBu,iPr2FeCl Keq | LtBu,iPr2Fe(SPh) Keq | LtBu,iPr2Fe(SPhCF3) Keq | LtBu,iPr2Fe(OPh) Keq | Donor Atom | ||
---|---|---|---|---|---|---|---|
PPh3 | 0.70 ± 0.08 | 1.0 ± 0.5 | 0.7 ± 0.5 | P | |||
THF | 0.80 ± 0.01 | 0.15 ± 0.01 | 5.3 ± 0.1 | O | |||
MeCN | 9.8 ± 0.5 | 5.2 ± 0.2 | 1.9 ± 0.1 | 11.7 ± 0.9 | 4.7 ± 0.4 | N | |
DMF | 390 ± 20 | 160 ± 5 | 2.4 ± 0.1 | 230 ± 10 | 160 ± 10 | O | |
2-picoline | 660 ± 50 | 300 ± 30 | 2.2 ± 0.1 | N | |||
Pyridine | 41000 ± 6000 | 11000 ± 2000 | 3.7 ± 0.3 | N | |||
CNtBu | 73000 ± 27000 | 41000 ± 7000 | 1.8 ± 0.7 | C |