Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 7, Issue 16, Pages 14153-14160Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.9b02822
Keywords
Quinoxalin-2(IH)-ones; Alkylation; Visible-light catalysis; PEG 200; Recyclability
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Funding
- Hunan Provincial Natural Science Foundation of China [2019JJ20008, 2018JJ3201]
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A efficient and sustainable approach for the synthesis of 3-alkylquinoxalin-2(1H)-ones has been developed through visible-light-mediated decarboxylative alkylation of quinoxalin-2(1H)-ones with phenyliodine(III) dicarboxylates. This photo catalytic alkylation reaction could be conducted at ambient temperature by employing eco-friendly PEG-200 as the reaction medium. Various 3-alkylquinoxalin-2(1H)-ones were easily obtained through the present ruthenium(II) catalytic system, which could be successfully recycled five times without the significant decrease of its efficiency.
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