Table 3 Phosphine ligand factors screened. Phosphine ligands’ respective electronic effect [vCO (cm–1)] and tolman’s cone angles (θ)31.
From: Application of statistical design of experiment to identify key factors in cross coupling reactions
Labels | Ligands | v CO (cm–1) | θ |
|---|---|---|---|
T1 | Tris(pentaflurophenyl)phosphine [P(p - FC6H4)3] | 24.3 | 145 |
T2 | Triphenylphosphite [P(O-C6H5)3] | 50.9 | 128 |
T3 | Tricyclohexylphosphine (PCy3) | 12.8 | 170 |
T4 | Dimethylphenylphosphine (PPhMe2) | 13.6 | 122 |