Table 2.
| |||||
---|---|---|---|---|---|
Compound | R1 | IC50 MLL4–43 (nM)a | GI50 (μM)b MLL-AF9 | T1/2 (min)c | cLogPd |
3 | H | 15 ± 4.9 | 0.40 | >60 | 4.3 |
8 | 13 ± 0.7 | 0.23 | 9.2 | 3.8 | |
9 | 39 ± 2.1 | 1.0 | 12 | 4.9 | |
10 | 13 ± 4.2 | 0.15 | 21 | 4.1 | |
11 | 18 ± 3.5 | 0.15 | 13 | 4.2 | |
12 | 83 ± 2.8 | 0.25 | 13 | 4.8 | |
13 (MI-853) | 10 ± 0.7 | 0.075 | 5.7 | 4.5 | |
14 | 44 ± 17 | 0.18 | 4.9 | 4.8 | |
15 | 75 ± 22 | 0.23 | 14 | 5.4 | |
16 | 57 ± 8.5 | 1.2 | 8.6 | 6.4 | |
17 | 42 ± 2.8 | 0.75 | 10 | 6.9 | |
18 (RS) | 21 ± 4.2 | 0.25 | 11 | 3.2 | |
19 | 13 ± 2.8 | 0.15 | 26 | 4.7 | |
20 | 55 ± 15 | 0.25 | 19 | 5.2 | |
21 | 71 ± 7.1 | 0.45 | 15 | 5.8 | |
22 | 26 ± 2.1 | 0.22 | 53 | 4.7 | |
23 | 32 ± 1.4 | 0.15 | 24 | 4.4 |
IC50 values were measured by fluorescence polarization assay using fluorescein labeled MLL 4–43, average values from 2–3 independent measurements ± SD are provided.
Growth inhibition (GI50 values) measured in the MTT cell viability assay after 7 days of treatment of murine bone marrow cells transformed with MLL-AF9.
Half-life of compounds in mouse liver microsomes.
Calculated with ChemBioDraw Ultra 14.0.