Table 3.
| ||
---|---|---|
Compound | R | IC50 (μM)a |
19 | H | 8.6 ± 2.0 |
20 | Isopropyl | 2.8 ± 0.4 |
21 | Benzyl | 3.0 ± 0.1 |
22 | Methylcyclopropyl | 4.9 ± 3.1 |
23 | Acetyl | 7.1 ± 1.5 |
24 | Methansulfonyl | 0.7 ± 0.2 |
25 | Thiophenesulfonyl | 0.9 ± 0.5 |
26 | Tosyl | 2.3 ± 0.0 |
27 | t-Butoxycarbonyl | 1.9 ± 0.2 |
25-hydroxy- cholesterol | 0.3 ± 0.0 |
All values are mean ± standard deviation, n ≥ 3.