期刊
TETRAHEDRON
卷 66, 期 19, 页码 3433-3440出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.03.034
关键词
Aminoglycoside; beta-Carboline; RNA binding; Antibacterial activity; Synthesis
资金
- National Natural Science Foundation of China
- Ministry of Science and Technology of China [973]
Three types of neamine-beta-carboline conjugates were synthesized in good yields by the coupling of neamine and beta-carboline-3-carboxylic acids using aliphatic diamine as a linker, The binding properties of these conjugates to 16S rRNA and 18S rRNA were evaluated by surface plasmon resonance (SPR), showing that some conjugates had stronger binding affinities than neamine. In vitro antimicrobial activities were also evaluated and the results showed that some synthetic compounds exhibited better antibacterial activities than neamine. The preliminary structure-activity relationship was discussed. The present experimental data demonstrated that synthetic neamine-carboline conjugates might hold the potential as new antibiotics. (C) 2010 Elsevier Ltd. All rights reserved.
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