Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 361, Issue 23, Pages 5490-5498Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201900885
Keywords
visible light; photocatalysis; quinoxalinones; C-H perfluoroalkylation; additive free
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Funding
- Shandong Provincial Natural Science Foundation [ZR2017LB006]
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An efficient approach using a photocatalytic strategy for C-H perfluoroalkylation of quinoxalinones under aerobic oxidation condition has been developed. Such transformation employs readily available sodium perfluoroalkanesulfinates as perfluoroalkylation reagents and demonstrates good functional group compatibility, affording corresponding products in moderate to good yields. Compared with previous procedures, this protocol uses oxygen as oxidant, and avoids the use of external additive. A radical mechanism is involved in this perfluoroalkylation reaction.
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