Table 2 Combined results from TGA, NMR, ICP and argentometric titration for compounds 8–12
Compound no—reagent | Ligand eq. vs. Co eq. | Solvent molecules per complex | Free lithium (eq.) | LiCl (eq.) |
|---|---|---|---|---|
8—LiOtBu | 3 | 4 (residual THF) | 1 Li per Co | 2 Li per Co |
9—LiOtBu + LiOPh | 1 + 2 (3) | 4 | 1 Li per Co | 2 Li per Co |
10—LiOiPr | 3 | 2 THF | 1 Li per Co | 2 Li per Co |
11—LiOEt | 6 | 4–5 THF | 4 Li per Co | 2 Li per Co |
12—LiOMe | 3 | 2 THF/2 MeOH | 1 Li per Co | 2 Li per Co |