Synthesis and Antimicrobial Activity of Carbohydrate Based Schiff Bases: Importance of Sugar Moiety

Table 1

Antibacterial activity of compounds 3–6, by disk diffusion method^a.

Entry	Compound	E. coli	L. monocytogenes	P. aeruginosa	S. choleraesuis	K. pneumoniae	E. faecalis	S. aureus	C. albicans
1	3a	—	8.6	—	7.6	—	9.3	8.3	7.3
2	3b	—	19	7	7.6	7	14.3	7.6	9.3
3	4a	—	—	—	7	—	8.3	7.6	7
4	4b	7	—	—	—	—	—	7.3	—
5	5a	—	N	N	N	—	—	—	—
6	5b	—	N	N	N	—	—	—	—
7	6a	—	N	N	N	—	—	—	—
8	6b	—	N	N	N	—	—	—	—
9	Imipenem	20	13	—	20	17	21	15.6	21
10	Sulfazotrin	23	10.3	—	29.6	16	24	20	13

aZone of inhibition in mm (mean).