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. 2022 Sep 24;27(4):1751–1765. doi: 10.1007/s11030-022-10528-z

Table 1.

In vitro antibacterial and antifungal activities of ciprofloxacin derivatives 2a-j, 5a-i, ciprofloxacin and ketoconazole

Compound MIC (µg/mL)
Gram-positive Gram-negative Fungi
S. aureus E. coli P. aeruginosa C. albicans
1 0.70 0.60 1.20 ˃100
2a 0.74 0.64 1.12 ˃100
2b 0.06 0.18 0.64 15.23
2c 0.67 0.34 1.03 3.89
2d 2.65 4.78 7.25 ˃100
2e 0.89 0.53 0.96 2.03
2f 0.94 9.33 3.7 ˃100
2g 8 16.98 6.25 ˃100
2h 1.2 5.25 3.125 84.21
2i 6.3 4.13 17 . ˃100
2j 1.48 5.13 4.2 ˃100
5a 0.36 0.91 1.53 6.23
5b 0.7 0.12 0.19 ˃100
5c 0.58 1.03 2.04 2.87
5d 8.14 42.23 12.30 36.12
5e 0.78 0.52 3.25 2.51
5f 4.79 3.89 2.95 ˃100
5g 0.28 14.25 23.12 ˃100
5h 0.34 0.21 0.49 28.73
5i 0.74 0.63 0.13 ˃100
Ciprofloxacin 3.25 0.15 0.22 ˃100
Ketoconazole 2.6