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Updated: Jun 10, 2026

Inactivation of Pathogens via Visible-Light Photolysis of Riboflavin-5′-Phosphate
Published on: April 6, 2022
Photochemistry of flavonoids
Miroslav Sisa1, Susan L Bonnet, Daneel Ferreira
1Department of Chemistry, University of the Free State, Bloemfontein, South Africa. sisa.miroslav@gmail.com
Synthetic photochemistry provides novel routes to unique flavonoid molecules. This review comprehensively covers all known synthetic photochemical transformations of various flavonoid classes, offering new insights into their reactivity.
Area of Science:
- Photochemistry
- Organic Chemistry
- Natural Products Chemistry
Background:
- Flavonoids are crucial natural compounds involved in various biological processes.
- Their photochemical transformations are significant in nature.
- Conventional synthesis methods have limitations in accessing certain flavonoid structures.
Purpose of the Study:
- To provide a comprehensive review of all published synthetic photochemical transformations of flavonoids.
- To highlight the utility of synthetic photochemistry in accessing novel flavonoid derivatives.
- To consolidate existing knowledge on flavonoid photochemistry.
Main Methods:
- Systematic literature search for studies on synthetic photochemical transformations of flavonoids.
- Categorization of transformations based on flavonoid classes.
- Analysis and synthesis of reported photochemical reactions and their outcomes.
Main Results:
- Detailed overview of diverse photochemical reactions applied to different flavonoid subclasses.
- Identification of key photoreactions, including rearrangements, cyclizations, and oxidations.
- Documentation of the formation of unique molecular architectures not accessible through traditional synthesis.
Conclusions:
- Synthetic photochemistry is a powerful tool for flavonoid derivatization.
- This review serves as a foundational resource for researchers in flavonoid chemistry and photochemistry.
- Future research can leverage these photochemical methods for discovering new bioactive flavonoid analogs.
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