Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 17, Issue 17, Pages 4364-4369Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ob00659a
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Funding
- National Natural Science Foundation of China [21703036]
- Natural Science Foundation of Jiangsu Province [BK20160167]
- Thousand Talents Plan (Young Professionals)
- Jiangsu Specially-Appointed Professor Program [1016010241160390]
- Fundamental Research Funds for the Central Universities [JUSRP51712B]
- National First-class Discipline Program of Light Industry Technology and Engineering [LITE2018-14]
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Naturally occurring perylenequinonoid pigments (PQPs) have attracted considerable attention owing to their excellent properties of photosensitization. They have been widely investigated as an aspect of photophysics and photobiology. However, their applications in photocatalysis are yet to be explored. We report here that sunlight along with 1 mol% cercosporin, which is one of the perylenequinonoid pigments, catalyzes the direct C-H bond arylation of (het) arenes by a photoredox process with good regioselectivity and broad functional group compatibility. Furthermore, a gram-scale reaction with great conversions of substrates was achieved even by a cercosporin-containing supernatant without organic solvent extraction and purification after liquid fermentation. Thus we set up a bridge between microbial fermentation and organic photocatalysis for chemical reactions in a sustainable, environmentally friendly manner.
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