Table 3.
EC50 and Emax of Compounds 24a−k
![]() | ||||
---|---|---|---|---|
compound | R3 | Clog Pa | EC50 (nM)b | Emax (%)b |
4a | 3-CF3 | 4.10 | 119 ± 16 | 100 ± 5 |
15b | 3-CF3 | 4.47 | 47 ± 8 | 143 ± 5 |
24a | 3,5-di-CF3 | 5.48 | 211 ± 51 | 127 ± 11 |
24b | 2,4-di-CF3 | 5.48 | 52 ± 11 | 150 ± 12 |
24c | 4-CF3 | 4.47 | 220 ± 58 | 120 ± 9 |
24d | 2-CF3 | 4.47 | 143 ± 33 | 122 ± 13 |
24e | 3-Cl, 5-F | 4.24 | 46 ± 8 | 135 ± 9 |
24f | 3-OMe | 3.46 | 53 ± 10 | 133 ± 10 |
24g | H | 3.45 | 278 ± 48 | 139 ± 9 |
24h | 4-Cl, 2-F | 4.24 | 235 ± 47 | 131 ± 8 |
24i | 3-F | 3.59 | 136 ± 33 | 137 ± 7 |
24j | 4-F | 3.59 | 90 ± 17 | 146 ± 9 |
24k | 3-OCF3 | 4.35 | 30 ± 8 | 137 ± 7 |
Clog P is calculated from a web calculator: http://biosig.unimelb.edu.au/pkcsm/prediction.
Values are mean ± SEM from n ≥ 3 independent experiments.
Emax (%) is the efficacy maximum of the compounds in the cAMP assay relative to compound 4a as 100% and DMSO as 0%.