Microwave-Assisted Synthesis, Characterization, Antimicrobial and Antioxidant Activity of Some New Isatin Derivatives

Table 2

The in vitro antimicrobial activity of the synthesized β-Isatin aldehyde-N,N′-thiocarbohydrazone derivatives.

Comp. no.	Gram positive		Gram negative		Fungi
	B. Subtilis	S.aureus	E. coli	P.aeruginosa	C.albicans	P. notatum	A. niger
3a	50	100	100	100	200	50	200
3b	75	50	25	200	100	100	100
3c	50	50	200	400	400	50	400
3d	25	100	100	200	100	100	100
3e	25	50	25	100	25	50	25
3f	50	100	200	400	200	400	200
3g	50	50	25	100	100	25	100
3h	50	50	—	50	50	100	50
3i	50	—	100	100	50	200	50
3j	12.5	6.25	50	50	25	50	12.5
3k	100	100	100	—	50	50	100
3l	25	50	50	100	50	50	50
3m	50	100	200	—	100	200	100
3n	12.5	25	25	50	12.5	25	12.5
Ciproflaxin	3.12	3.12	6.25	6.25	—	—	—
Miconazole	—	—	—	—	6.25	6.25	3.12