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Updated: Feb 9, 2026

Growth of Mycobacterium tuberculosis Biofilms
Published on: February 15, 2012
Synthesis and Activity against Mycobacterium tuberculosis of Olivacine and Oxygenated Derivatives
Ulrike Schmidt1, Gabriele Theumer2, Anne Jäger3
1Faculty of Chemistry, Technische Universität Dresden, Bergstraße 66, 01069 Dresden, Germany. ulrike.schmidt@chemie.tu-dresden.de.
Abstract:
The tetracyclic pyrido[4,3-b]carbazole olivacine and four of its oxygenated derivatives have been synthesized by a late-stage palladium-catalyzed Heck-type cyclization of the pyrrole ring as a key step. In a test for the inhibition of the growth of Mycobacterium tuberculosis, 9-methoxyolivacine showed the most significant inhibitory activity against Mycobacterium tuberculosis, with an MIC90 value of 1.5 μM.
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