Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 17, Pages 4747-4751Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201800767
Keywords
beta-naphthols; dearomatization; donor-acceptor complexes; fluoroalkylation; intermolecular charge transfer
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Funding
- Fundamental Research Funds for the Central Universities [lzujbky-2017-127]
- NSFC [21432003]
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The first visible-light-promoted dearomative fluoroalkylation of beta-naphthols was realized without the assistance of any transition-metal catalysts or external photosensitizers. Inexpensive fluoroalkyl iodides were directly used as efficient fluoroalkylation reagents under very mild reaction conditions. The scope of this process was found to be general and broad, and both trifluoromethyl and perfluoroalkyl groups (-C4F9, -C6F13, and -C8F17) were installed in excellent yields. Preliminary mechanistic studies suggest that visible-light-promoted intermolecular charge transfer within the naphtholate-fluoroalkyl iodide electron donor-acceptor (EDA) complex induces a single electron transfer in the absence of photocatalysts.
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