Table 2.
IC50 values of substituted 2-phenyl-N-(3,5-dichlorophenyl)-2-oxoacetohydrazonoyl cyanides for inhibiting EPAC1/2 GEF activity.
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Entry | R or X | Rap1b-bGDP EPAC1 IC50 (μM)a | Rap1b-bGDP EPAC2 IC50 (μM) |
10 | 4-tert butyl | 5.4 ± 0.7 | 2.5 ± 0.6 |
22 | 4-Cl | >300 | NDb |
23 | 3-Cl | >300 | ND |
24 | 4-OCF3 | 40.9 ± 6.8 | ND |
25 | 4-CO2Me | 29.3 ± 6.2 | ND |
26 | 4-Ph | >300 | ND |
27 | 3,4-di OMe | >300 | ND |
28 | 4-Piperidin-1-ylmethyl | 39.4 ± 4.7 | ND |
29 | 4-Morpholinomethyl | 14.6 ± 5.7 | ND |
30 | 4-Cyclohexane | 32.4 ± 9.5 | ND |
31 |
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3.6 ± 0.3 | 1.2 ± 0.1 |
32 |
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11.3 ± 1.4 | 2.5 ± 0.5 |
33 |
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19.6 ± 6.7 | ND |
The values are the mean ± SE.
ND: not determined.