作者:Sylvain Fardeau、Alexandra Dassonville-Klimpt、Nicolas Audic、André Sasaki、Marine Pillon、Emmanuel Baudrin、Catherine Mullié、Pascal Sonnet
DOI:10.1016/j.bmc.2014.05.067
日期:2014.8
The development of an efficient route to obtain artificial siderophore antibiotic conjugates active against Gram-negative bacteria is crucial. Herein, a practical access to triscatecholate enterobactin analogues linked to the ciprofloxacin along with their antibacterial evaluation are described. Two series of conjugates were obtained with and without a piperazine linker which is known to improve the pharmacokinetics profile of a drug. A monocatecholate-ciprofloxacin conjugate was also synthesized and evaluated. The antibacterial activities against Pseudomonas aeruginosa for some conjugates are related to the iron concentration in the culture medium and seem to depend on the bacterial iron uptake systems. (C) 2014 Elsevier Ltd. All rights reserved.