Table 3. a Biochemical data for analogs exploring Region B.
| |||
|---|---|---|---|
| Compound | R2 | TbrPDEB1 (% inh) |
TbrPDEB1 (IC50 μM) |
| 17a |
|
94 ± 3.5 | 6.4 ± 1.7 |
| 21a |
|
41 ± 5.8 | - |
| 21b |
|
0 | - |
| 22a |
|
19 ± 6.6 | - |
| 22b |
|
19 ± 4.2 | - |
| 22c |
|
22 ± 20 | 28 ± 3.4 |
| 22d |
|
80 ± 4.8 | ndb |
| 22e |
|
59 ± 3.6 | - |
| 22f |
|
72 ± 14 | 26 ± 1.3 |
| 19a |
|
83.7 ± 9.1 | 3.8 ± 0.4 |
| 24a |
|
34 ± 0.3 | - |
| 24b |
|
60 ±16 | 7 ± 0.9 |
| 24c |
|
82 ±12 | 4.2 ± 0.6 |
| 24d |
|
67 ± 7.5 | 3.5 ± 0.5 |
| 24e |
|
85 ± 11 | 3.5 ± 0.6 |
| 24f |
|
69 ±16 | 3.7 ± 0.2 |
| 24g |
|
21 ± 6.5 | - |
| 28 |
|
76 ± 2.2 | 5.9 ± 0.67 |
All values are the mean of three or more replicates ± SEM.
No IC50 obtained due to limited solubility at higher concentrations.