(1 to 6) (7 to 19) | ||||
Compounds | R | IC50 | Relative IC50 | Antimalarial activity |
1 | CH3CH2— | 1.0 | 0.90 | cha |
2 | CH3(CH2)2— | 2.0 | 0.45 | cha |
3 | CH3(CH2)4— | 2.0 | 0.45 | cha |
4 | 4’-O2NC6H4— | 0.6 | 1.5 | cha |
5 | 3’-O2NC6H4— | 0.6 | 1.5 | cha |
6 | 4’-O2NC6H4NH— | 0.4 | 2.25 | cha |
7 | CH3— | 3.2 | 0.28 | cha |
8 | CH3CH2— | 3.7 | 0.24 | cha |
9 | — 4’-FC6H4— | 8.0 | 0.11 | cla |
10 | 4’-ClC6H4— | 17 | 0.05 | cla |
11 | 4’-CH3C6H4— | 37 | 0.02 | cla |
12 | 4’-O2NC6H4— | 9.1 | 0.10 | cla |
13 | 2’-O2NC6H4— | 10 | 0.09 | cla |
14 | 3’-N÷CC6H4— | 50 | 0.02 | cla |
15 | 4’-Cl-3’-O2NC6H3— | 3.8 | 0.23 | cla |
16 | 3’,4’-(CH3O)2C6H3— | 40 | 0.02 | cla |
17 | 4’-CH3SO2C6H4— | 13 | 0.07 | cla |
18 | 4’-C6H5-C6H4— | 45 | 0.02 | cla |
19 | 5’-Cl-2’-tienil | 40 | 0.02 | cla |