Table 1 Antioxidant activity of the newly synthesized thiophene-2-carboxamide derivatives
Compounds | Absorbance of samples | Inhibition (%) |
|---|---|---|
3a | 0.374 | 26.7 |
3b | 0.230 | 54.9 |
3c | 0.365 | 28.4 |
5a | 0.428 | 16.1 |
5b | 0.393 | 22.9 |
5c | 0.449 | 12.0 |
7a | 0.194 | 62.0 |
7b | 0.271 | 46.9 |
7c | 0.248 | 51.4 |
Control of ABTS | 0.510 | 0 |
Ascorbic acid | 0.061 | 88.0 |