Table 2. 4-Methyl-3-pyridyl Moiety with π-Donating Groups at the 6-Position Improves Cell Potency.
Cmpd | R1 | TNKS1 enz IC50 (μM) | PARP1 enz IC50 (μM) | Wnt cell IC50 (μM) | LogD pH 7.4 | Aq. Sol. pH 7.4 (μM) |
---|---|---|---|---|---|---|
3 | H | 0.003 | 2.77 | 0.024 | 2.1 | 11 |
4 | F | 0.002 | 3.74 | 0.032 | 3.4 | <1 |
5 | Cl | 0.006 | 0.017 | 0.019 | 3.9 | <1 |
6 | NH2 | 0.017 | 0.206 | 0.004 | 2.9 | <1 |
7 | OCH3 | 0.006 | 0.035 | 0.004 | 2.8 | <1 |
8 | N(CH3)2 | 0.019 | <0.003 | >3.5 | 4 |