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. 2014 Mar 24;82(3):483–500. doi: 10.3797/scipharm.1402-10

Tab. 2.

Antimicrobial activities 8-R1-9-R2-10-R3-3-R-6-thio-6,7-dihydro-2H-[1, 2, 4]triazino[2, 3-c]quinazoline-2-ones (3.1–3.26)

Comp. R R1 = R2 = R3 = H (if not specified) Investigated strains
E. coli S. aureus P. aeruginosa C. albicans
MIC μg/mL MBC μg/mL MIC μg/mL MBC μg/mL MIC μg/mL MBC μg/mL MIC μg/mL MBC μg/mL
3.1 CH3   100 100 100 200 50 200 100 100
3.2 C6H5   50 100 12.5 50 100 100 100 100
3.3 C6H4(CH3)-p   50 50 12.5 100 50 100 50 50
3.4 C6H4(CH3)2-3,4   50 100 100 200 50 100 50 100
3.5 C6H4(C2H5)-p   50 50 12.5 25 50 100 100 100
3.6 C6H4(i-C3H7)-p   50 100 12.5 50 50 100 100 100
3.7 C6H4(tert-C4H9)-p   50 100 6.25 12.5 50 200 50 100
3.9 C6H4(OC2H5)-p   100 100 25 100 50 100 100 100
3.10 C6H4F-p   50 100 12.5 50 50 200 50 100
3.11 C6H5 R1 = CH3 50 100 25 50 100 100 50 100
2.11 C6H5 R3= F 100 200 6.25 50 100 200 50 50
2.15 C6H5 R3= F 100 200 6.25 50 100 200 50 50
3.16 C6H5(CH3)-p R3 = Cl 100 200 12.5 100 100 200 50 100
3.18 C6H4F-p R3 = Cl 100 200 25 25 50 100 100 100
3.19 C6H4F-p R1 = Br 50 100 100 200 100 100 100 100
3.20 C6H4F-p R2 = Br 100 200 25 50 50 200 50 50
3.21 C6H5 R3 = Br 100 200 25 25 100 200 50 50
3.22 C6H4(CH3)-p R3 = Br 50 100 50 200 100 200 50 50
3.23 C6H4F-p R3 = Br 100 200 12.5 50 50 200 50 50
3.24 C6H4(OCH3)-p R3 = Br 100 200 12.5 200 100 200 50 50
Trimethoprim 50 50 31.2 62,5 62.5 125 62.5 125
Nitrofural 1,5 6.25 6.25 25.0