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Table 3 Antibacterial activity (paper disc diffusion method) of thiosemicarbazones 4ao

From: Synthesis and antibacterial and antifungal activities of N-(tetra-O-acetyl-β-d-glucopyranosyl)thiosemicarbazones of substituted 4-formylsydnones

Entry

Gram positive bacteria

Gram negative bacteria

S. epidermidis

B. subtilis

E. coli

S. enterica

4a

14

25

26

27

4b

13

16

25

26

4c

14

17

26

27

4d

14

27

28

31

4e

13

28

28

29

4f

14

27

29

30

4g

14

19

30

31

4h

13

20

29

30

4i

20

27

31

32

4j

14

28

14

13

4k

14

32

32

33

4l

14

34

34

33

4m

24

34

34

35

4n

19

32

31

30

4o

14

25

13

14

Ciprofloxacin

43

44

42

45

Control

  1. Zone diameter of growth inhibition (mm) after 24 h: 50 μL of stock solution was applied in each hole of each paper disk, i.e. 25 μg/hole. Ciprofloxacin is used as a standard antibacterial reference. Control sample is 10 % DMSO solution in water