Table 1. Properties of Ligands L0–L5, Measured Log Poct Values for the Corresponding 64Cu-Radiolabeled Complexes, and Aβ Fibril-Binding Affinity Ki Values for BFCs and their Cu Complexes (NA = Not Applicable).
ligand | MW (g mol–1) | log Poct | KiLn (nM) | Ki Cu-Ln (nM) |
---|---|---|---|---|
L0 | 384.4 | –1.09 ± 0.16 | NA | NA |
L1 | 426.6 | 0.97 ± 0.12 | 170 ± 50 | 765 ± 30 |
L2 | 509.6 | 0.72 ± 0.08 | 30 ± 10 | 275 ± 20 |
L3 | 523.7 | 0.64 ± 0.11 | 40 ± 10 | 325 ± 25 |
L4 | 567.9 | 0.82 ± 0.05 | 320 ± 40 | 2350 ± 250 |
L5 | 779.0 | 0.92 ± 0.07 | 580 ± 150 | 142 ± 55 |