Access to SCF3-Substituted Indolizines via a Photocatalytic Late-Stage Functionalization Protocol
Kevin Klaus Stefanoni1, René Wilhelm1
1Institute of Organic Chemistry, Clausthal University of Technology, Leibnizstr. 6, 38678 Clausthal-Zellerfeld, Germany.
None:
A mild, scalable, and highly chemoselective photocatalytic method was developed for direct indolizine functionalization with N-((trifluoromethyl)thio)saccharin, yielding high amounts of desired products while tolerating various functional groups. The photoredox catalyst employed offers a straightforward and inexpensive alternative to commercially available catalysts. Additionally, a 3-SCF3 analogue of a histamine H3 receptor antagonist was synthesized with excellent yield, demonstrating the strategy's potential in developing biologically relevant molecules.
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