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. 2024 Feb 16;12:1342784. doi: 10.3389/fchem.2024.1342784

TABLE 8.

Antibacterial activity of pyrazole derivatives (4a-j) and pyrazole pyrano[2,3-c]pyrazole derivatives (6a-o) against Gram-positive strains.

Strains Pyrazole derivatives Drugs Pyrano[2,3-c]pyrazole derivatives
4a 4b 4c 4d 4e 4f 4g 4h 4i 4j A B 6a 6b 6c 6d 6e 6f 6g 6h 6i 6j 6k 6l 6m 6n 6o
10745 (I) 2048 128 - 256 1024 128 512 128 64 64 - 16 512 512 128 1024 256 64 256 128 32 64 64 32 16 16 8
(II) 4096 256 - 512 2048 128 1024 128 128 128 - 32 1024 512 128 1024 512 128 256 256 64 64 64 64 16 32 16
(III) 12.6 16.8 - 16.2 12.8 17.3 13.7 15.9 18.2 17.3 - 17.3 14.5 14.9 14.3 15.3 14.8 18.9 17.6 18.5 19.1 18.2 21.2 20.3 22.5 19.9 22.4
29213 (I) - - - - - - - - - - 16 16 - - 2048 - - 512 - - 256 1024 1024 128 - - 64
(II) - - - - - - - - - - 32 16 - - 4096 - - 1024 - - 512 2048 1024 256 - - 128
(III) - - - - - - - - - - 15.1 16.9 - - 12.2 - - 13.8 - - 13.6 12.3 12.9 14.2 - - 14.1
19615 (I) 4096 4096 2048 1024 2048 2048 2048 2048 1024 1024 2 8 512 512 16 512 512 8 256 128 4 64 32 4 2 2 2
(II) 4096 4096 2048 4096 2048 2048 4096 2048 2048 2048 4 16 1024 1024 16 1024 1024 16 512 128 8 128 64 4 4 2 2
(III) 10.4 10.9 10.7 10.2 10.5 11.3 10.4 10.6 11.8 11.5 23.2 18.4 16.4 18.3 20.8 15.9 19.9 19.7 18.8 19.5 23.1 19.4 21.6 22.5 23.1 22.7 22.9
12386 (I) - - - - - - - - 1024 1024 - 4 - - 64 - - 32 256 128 16 128 128 8 8 4 2
(II) - - - - - - - - 4096 2048 - 8 - - 128 - - 64 512 256 16 128 128 16 8 8 4
(III) - - - - - - - - 18.2 17.5 - 19.1 - - 21.6 - - 21.0 17.3 16.6 22.1 16.2 19.4 22.4 21.5 21.7 22.3

(I): Minimum Inhibitory Concentration (μg/mL); (II): Minimum Bactericidal Concentration (μg/mL); (III): Inhibition Zone Diameter (mm);

A, penicillin; B, cefazolin.