Table 5 Comparisons of IC 50 s of uracil-derived compounds in their inhibitory effects on recombinant PfUDG activity, P. falciparum growth and cytotoxicity to HepG2 cell lines
No. | Compound | IC50(μM) | ||
|---|---|---|---|---|
| Â | Â | PfUDG | P. falciparum | HepG2 cytotoxicity |
1 | 1-Methoxyethyl-6-(p-n-octylanilino)uracil | 16.75 | 15.6 | > 160 |
2 | 6-(Phenylhydrazino)uracil | 77.5 | 12.8 | 27.5 ± 4.58 |
3 | 6-(p-n-Heptylanilino)uracil | > 400 | 5.0 | ND |
4 | 6-(4-Methylanilino)uracil | > 400 | 7.1 | ND |
5 | 6-(p-n-Propylanilino)uracil | > 400 | 7.9 | ND |
6 | Uracil | > 400 | 10.0 | ND |
7 | 6-(p-n-Butylanilino)uracil | > 400 | 10.0 | ND |
8 | 3-(4-Hydroxybutyl)-6-(3-ethyl-4-methylanilino)uracil | > 400 | 10.2 | ND |
9 | 6-(p-n-Pentylanilino)uracil | > 400 | 10.5 | ND |
10 | 6-(p-i-Pentylanilino)uracil | > 400 | 11.0 | ND |
11 | 6-(p-i-Propylanilino)uracil | > 400 | 12.6 | ND |
12 | 6-(p-i-Butylanilino)uracil | > 400 | 16.5 | ND |