Skip to main content
. Author manuscript; available in PMC: 2018 Sep 15.
Published in final edited form as: Bioorg Med Chem Lett. 2018 Jul 10;28(17):2914–2919. doi: 10.1016/j.bmcl.2018.07.016

Table 1.

Synthesis and antimicrobial studies of 2, 4 difluoro substituted hydrazone derivatives, Gram-positive bacteria: S. aureus (Sa) and B. subtilis (Bs), Gram-negative bacteria: A. baumannii (Ab), and E. aerogenes (Ea), and NA = no activity. Values are the average of two closely related experimental values.

graphic file with name nihms-985674-t0005.jpg
Comp. No. R Microorganism (MIC in μg/mL
Product yield (%)
Sa MRSA Bs Ab PA Ea
5a graphic file with name nihms-985674-t0006.jpg 25 25 25 25 NA NA 86%
5b graphic file with name nihms-985674-t0007.jpg 25 25 12.5 12.5 NA NA 90%
5c graphic file with name nihms-985674-t0008.jpg 25 25 12.5 6.25 NA NA 88%
5d graphic file with name nihms-985674-t0009.jpg 25 25 6.25 6.25 NA NA 82%
5e graphic file with name nihms-985674-t0010.jpg 12.5 12.5 3.12 12.5 NA NA 89%
5f graphic file with name nihms-985674-t0011.jpg NA NA NA NA NA NA 92%
5g graphic file with name nihms-985674-t0012.jpg NA NA NA NA NA NA 81%
5h graphic file with name nihms-985674-t0013.jpg 3.125 0.78 0.78 12.5 NA NA 80%
5i graphic file with name nihms-985674-t0014.jpg 12.5 12.5 12.5 1.56 NA NA 83%
5j graphic file with name nihms-985674-t0015.jpg NA NA NA NA NA NA 95%
5k graphic file with name nihms-985674-t0016.jpg NA NA NA NA NA NA 78%
5l graphic file with name nihms-985674-t0017.jpg NA NA NA NA Na NA 89%
5m graphic file with name nihms-985674-t0018.jpg NA NA NA NA NA NA 76%
5n graphic file with name nihms-985674-t0019.jpg NA NA NA NA NA NA 90%
DMSO NA NA NA NA NA NA
Ciprofloxacin 1.56
Colistin 12.5 0.78 0.39
Vancomycin 6.25 12.5