Table 5.
MbtA Inhibitors: Aryl Domain SAR
|   | ||||
|---|---|---|---|---|
| Compound, R = | KIapp (μM) | MIC99 (μM) (iron-deficient) | MIC99 (μM) (iron-rich) | |
|   | 51 OH | 0.0066 ± 0.00015d | 0.39 | 1.56 | 
| 58 H | 0.092 ± 0.007 | 12.5 | 50 | |
| 59 F | 0.038 ± 0.008 | 12.5 | 50 | |
| 60 NH2 | 0.77 ± 0.12 | > 200 | > 200 | |
| 61 NO2 | 7.32 ± 0.9 | > 200 | > 200 | |
| 62 Cl | 18.1 ± 1.7 | > 200 | > 200 | |
|   | 63 3-Cl | 0.061 ± 0.003 | 50 | > 200 | 
| 64 4-Cl | 0.012 ± 0.0006 | 12.5 | 50 | |
| 65 5-Cl | 0.020 ± 0.0014 | 12.5 | 50 | |
| 66 4-F | 0.012 ± 0.0016 | 0.098 | 0.39 | |
| 67 4-Br | 0.021 ± 0.001 | 6.25–12.5 | 50 | |
| 68 4-CH3 | 0.014 ± 0.0007 | 1.56 | 25 | |
| 69 4-CF3 | 4.38 ± 0.44 | > 200 | > 200 | |
| 70 4-NH2 | 0.040 ± 0.004 | 1.56 | 25 | |
| 71 6-F | 0.0073 ± 0.0006 | 0.78 | 3.13 | |
|   | 72 | 0.137 ± 0.012 | > 200 | > 200 | 
|   | 73 | 3.7 ± 0.5 | > 200 | > 200 |