Table 1.
No. | R | Inhibitory Rate % a | No. | R | Inhibitory Rate % |
---|---|---|---|---|---|
1 | CH3 | 40.7 | 5b | 80.5 | |
2 | H | 50.5 | 6 | - | 76.1 |
3a | CH3CH2 | 35.5 | 7 | H | 19.9 |
3b | CH3CH2CH2 | 71.8 | 8a | C6H5CO | 87.0 |
3c | (CH3)2CHCH2 | 46.8 | 8b | p-CH3C6H4CO | 51.4 |
3d | CH3CH2OCH2CH2 | 37.4 | 8c | p-OCH3C6H4CO | 48.8 |
3e | 67.4 | 8d | (3,4,5)-(OCH3)3C6H2CO | 35.4 | |
3f | 66.0 | 8e | p-NO2C6H4CO | 54.6 | |
3g | C6H5CH2 | 80.8 | 8f | p-ClC6H4CO | 77.5 |
3h | 69.3 | 8g | 55.2 | ||
4a | CH3CH2CO | 44.8 | 8h | 39.4 | |
4b | CH3(CH2)2CO | 57.7 | 8i | 69.6 | |
4c | CH3(CH2)3CO | 54.6 | 8j | (3,4)-(Cl)2C6H4CO | - |
4d | (CH3)2CHCO | 52.3 | 8k | C6H5SO2 | - |
4e | (CH3)3CCH2CO | 72.1 | 8l | p-CH3OC6H5SO2 | - |
5a | 69.9 | 8m | p-CH3C6H5SO2 | - |
a The ELISA analysis of IL-1β in culture supernatants of PMA primed THP-1 cells treated with target compounds (5 μM) and then stimulated with LPS (5 µg/mL) and NIG (20 µM).