Cyanobacterial Metabolite Calothrixins: Recent Advances in Synthesis and Biological Evaluation

Marine Drugs
Su XuSadanandan E Velu

Abstract

The marine environment is host to unparalleled biological and chemical diversity, making it an attractive resource for the discovery of new therapeutics for a plethora of diseases. Compounds that are extracted from cyanobacteria are of special interest due to their unique structural scaffolds and capacity to produce potent pharmaceutical and biotechnological traits. Calothrixins A and B are two cyanobacterial metabolites with a structural assembly of quinoline, quinone, and indole pharmacophores. This review surveys recent advances in the synthesis and evaluation of the biological activities of calothrixins. Due to the low isolation yields from the marine source and the promise this scaffold holds for anticancer and antimicrobial drugs, organic and medicinal chemists around the world have embarked on developing efficient synthetic routes to produce calothrixins. Since the first review appeared in 2009, 11 novel syntheses of calothrixins have been published in the efforts to develop methods that contain fewer steps and higher-yielding reactions. Calothrixins have shown their potential as topoisomerase I poisons for their cytotoxicity in cancer. They have also been observed to target various aspects of RNA synthesis in bacteria. ...Continue Reading

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Citations

Dec 14, 2017·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Kerolos AshrafAndreas Hilgeroth
Oct 4, 2017·Mini Reviews in Medicinal Chemistry·Tingting LiJianrong Li
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Jan 10, 2018·Journal of Medicinal Chemistry·Bose Muthu RamalingamArasambattu K Mohanakrishnan
Nov 9, 2021·Journal of Basic Microbiology·Aqsa ShahidMuhammad Waseem

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Methods Mentioned

BETA
NMRs

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