Table 1.

Antimicrobial activity of compounds 9–32 expressed as diameters of inhibition zone (mm)

Compound	Gram positive bacteria			Gram negative bacteria		Fungi
Number	S. aureus ATCC 6538	B. subtilis ATCC 6633	B. cereus ATCC 6629	K. pneumoniae ATCC 13883	P. aeruginosa ATCC 27953	C. albicans ATCC 10231
9	–	15 ± 0.25	14 ± 0.09	12 ± 0.17	21 ± 0.36	–
10	–	–	–	15 ± 0.15	–	–
11	–	14 ± 0.16	–	–	–	–
12	–	–	–	–	18 ± 0.27	–
13	–	–	–	12 ± 0.07	20 ± 0.18	12 ± 0.28
14	–	–	–	–	–	12 ± 0.37
15	12 ± 0.26	10 ± 0.33	–	13 ± 0.41	–	11 ± 0.11
16	12 ± 0.08	–	13 ± 0.14	–	17 ± 0.26	13 ± 0.29
17	–	–	–	–	16 ± 0.22	–
18	14 ± 0.21	16 ± 0.31	17 ± 0.30	18 ± 0.20	–	13 ± 0.14
19	–	14 ± 0.31	17 ± 0.22	18 ± 0.24	16 ± 0.18	–
20	13 ± 0.11	10 ± 0.12	16 ± 0.07	16 ± 0.09	21 ± 0.17	–
21	–	17 ± 0.14	12 ± 0.16	12 ± 0.15	–	–
22	–	10 ± 0.07	–	–	–	–
23	–	–	–	–	–	11 ± 0.13
24	–	–	–	12 ± 0.14	14 ± 0.21	–
25	–	–	–	14 ± 0.17	21 ± 0.17	–
26	–	12 ± 0.11	–	11 ± 0.07	–	–
27	–	14 ± 0.15	–	14 ± 0.16	–	13 ± 0.09
28	–	12 ± 0.20	–	16 ± 0.18	–	–
29	–	14 ± 0.06	–	20 ± 0.15	14 ± 0.16	13 ± 0.07
30	12 ± 0.12	–	–	14 ± 0.15	–	–
31	–	–	–	–	–	–
32	–	14 ± 0.27	–	–	18 ± 0.09	–
Ciprofloxacin	23 ± 0.15	33 ± 0.20	29 ± 0.18	26 ± 0.17	35 ± 0.28	–
Fluconazole	–	–	–	–	–	20 ± 0.18