Table 1.
Biological activity of benzofuroxane N-oxide derivatives using the microplate Alamar blue assay (MABA) against Mycobacterium tuberculosis strain H37Rv and the low oxygen recovery assay (LORA) against the nonreplicating persistent strain.
Code | R1 | R2 | MABA MIC (µg/mL) | LORA MIC (µg/mL) |
---|---|---|---|---|
T-014 | CH3OOC | H | 7.6 | 12.98 |
T-036 | CH3OOC | CH3O | >128 | ND |
T-046 | H | H | 58.5 | 46.97 |
T-063 | (CH3)2CHOOC | H | 1.4 | 3.04 |
T-074 | CH3CH2CH2OOC | H | 0.87 | 4.62 |
RMP | 0.03 | 0.89 | ||
INH | 0.12 | >128 |
ND = not determined; RMP: rifampicin; INH: isoniazid.