Synthesis, Antibacterial and Antioxidant Evaluation of Novel 1-(5,7-Dichloro-1,3-benzoxazol-2-yl)-1H-pyrazolo[3,4-b]quinoline Derivatives

Table 3

DPPH radical scavenging activity of compounds 8(a–f).

Compound	Scavenging activity of different concentrations (μg/mL) of compounds %
	25	50	100	200	400
8a	28.95	35.80	42.89	48.60	54.95
8b	26.65	33.25	40.79	45.10	52.35
8c	31.35	38.09	42.70	48.95	53.18
8d	38.15	45.45	48.30	54.60	59.90
8e	49.95	58.50	63.60	71.35	76.30
8f	59.21	63.74	67.57	74.43	78.70
Ascorbic acid	82.51	87.24	92.63	94.28	97.34