Table 3. Head group variations on the aryl amide core of 22.
| ||||
Compound | R | clog P (log D) | pKa (cpKa) | Nav1.3 IC50 (nM) |
22 | 4.5 (3.3) | 6.4 (6.6) | 13 | |
24 | 3.7 (2.1) | 3.3 (4.3) | 13 | |
25 | 3.9 (2.1) | (3.8) | 993 | |
26 | 3.8 (1.8) | (3.9) | 374 | |
27 | 3.8 (2.0) | 4.6 (4.7) | >3000 | |
28 | 3.6 (2.4) | (4.1) | 1793 |