Table 2.
Anti-proliferative activities produced by 3,5-dihydroxychroman-3-ol esters.
| |||||||
|---|---|---|---|---|---|---|---|
| Entry | R1 | R2 | R3 | R4 | R5 | MCF-7 (IC50, μM) | SKBr3 (IC50, μM) |
| 23a | OH | OH | H | H | H | 98.24 ± 1.76 | >100 |
| 23b | OH | OH | OMe | H | H | 57.75 ± 3.12 | 50 |
| 23c | OH | OH | H | OMe | H | >100 | >100 |
| 23d | OH | OH | OMe | OMe | H | >100 | >100 |
| 23e | OH | OH | OMe | H | OMe | 96.50 ± 3.51 | >50 |
| 23f | OH | OH | OH | H | H | 61.94 ± 6.85 | 85.30 ± 5.36 |
| 23g | OH | OH | H | OH | H | >100 | >100 |
| 23h | OH | OH | m OMePh | OMe | H | 21.93 ± 2.27 | 34.84 ± 16.29 |
| 23i | OH | OH | Prenyl | OAc | H | 10.66 ± 1.09 | 23.15 ± 0.25 |
| 23j | OH | H | H | H | H | >100 | >100 |
| 23k | OH | H | OMe | H | H | >100 | >100 |
| 22l | OH | H | H | OMe | H | >100 | >100 |
| 23m | OH | H | m-OMePh | OMe | H | 55.09 ± 5.53 | 57.73 ± 4.28 |
| 23n | OH | H | Prenyl | OAc | H | 15.94 ± 1.86 | 25.25 ± 4.05 |
| 23o | H | OH | H | H | H | >100 | >100 |
| 23p | H | OH | OMe | H | H | >100 | >100 |
| 22q | H | OH | H | OMe | H | >100 | >100 |
| 23r | H | OH | m-OMePh | OMe | H | 21.6 ± 2.55 | 41.72 ± 0.34 |
| 23s | H | OH | Prenyl | OAc | H | 60 ± 7.38 | >100 |