Table 1.
Compounds | R1 | R2 | MIC (μg/ mL) | Survival Rate of Vero Cells @ 20 μg/mL (%) |
---|---|---|---|---|
3a | H | 4.56 | 88.61 | |
3b | H | 4.93 | 96.18 | |
3c | H | 3.12 | 91.19 | |
3d | H | 2.09 | 91.23 | |
3e | H | 4.97 | 87.78 | |
3f | H | 3.98 | 91.11 | |
3g | H | 3.07 | 92.25 | |
4a | OMe | 17 | 89.62 | |
4b | OMe | >20 | 99.55 | |
4c | OMe | >20 | 94.47 | |
4d | OMe | 7.74 | 84.72 | |
4e | OMe | 19.10 | 87.59 | |
4f | OMe | >20 | 90.26 | |
4g | OMe | >20 | 87.60 | |
5 | 18.0 | 85.41 | ||
6 | >20 | 89.83 | ||
7 | >20 | 84.14 | ||
8 | >20 | 91.48 | ||
9 | >20 | 81.20 | ||
10 | >20 | 80.28 | ||
11 | 1.98 | 89.55 | ||
12 | 0.96 | 94.25 | ||
INH | 0.8–1.2 | 84.80 |