Table 5.
Inhibition profile against T. brucei and in vitro ADME profile of core modified analogs
| ||||||
|---|---|---|---|---|---|---|
| Entry | R | T. brucei pEC50 a / Log fold Selectivityb | T. brucei LLEc | Aq. sol. (μM) | Human Liver Microsome CLint (uL/min/mg protein) | Rat hepatocyte CLint (uL/min/106 cells) |
| 9a |
|
5.1 / >0.80 | 2.2 | 60 | 154 | 44 |
| 9b |
|
5.3 / >1.0 | 3.8 | 47 | 51 | 8.7 |
| 10 |
|
6.4 / 2.1 | 2.1 | 12.3 | 144 | 56 |
| 11 |
|
5.4 / 0.70 | 1.0 | 6.9 | 58 | 68 |
| 13a |
|
5.0 / >0.70 | 2.0 | 451 | >300 | 100 |
| 13b |
|
4.9 / >0.60 | 1.6 | 200 | >300 | 115 |
pEC50=−logEC50
Log fold selectivity = T. brucei pEC50-MRC5 pTC50
LLE (lipophilic ligand efficiency) = pEC50-clogP
Additional ADME data, including Log D7.4 and human plasma protein binding, are included in Table S1 of the supporting information. All SD within ±0.090