Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

4-Quinolones MeSH Descriptor Data 2026


MeSH Heading
4-Quinolones
Tree Number(s)
D03.633.100.810.835.830
Unique ID
D042462
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D042462
Scope Note
QUINOLONES containing a 4-oxo (a carbonyl in the para position to the nitrogen). They inhibit the A subunit of DNA GYRASE and are used as antimicrobials. Second generation 4-quinolones are also substituted with a 1-piperazinyl group at the 7-position and a fluorine at the 6-position.
Entry Term(s)
4-Oxoquinoline
4-Oxoquinolines
4-Quinolinone
4-Quinolinones
4-Quinolone
Registry Numbers
0
Public MeSH Note
2004
History Note
2004
Date Introduced
2004/01/01
Last Updated
2020/05/27
4-Quinolones Preferred
page delivered in 0.133s