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Visible-light-induced self-catalyzed fluoroalkylation/cyclization of N-arylcinnamamides: synthesis of fluoroalkyl-containing 3,4-disubstituted dihydro-1,5-naphthyridin-2(1H)-ones and 7,8-disubstituted dihydropyrido[3,2-d]pyrimidin-6(5H)-ones

New Journal of Chemistry, ISSN: 1369-9261, Vol: 48, Issue: 28, Page: 12664-12671
2024
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Article Description

A novel visible-light-mediated fluoroalkylation/cyclization tandem process for constructing fluoroalkyl-containing 3,4-disubstituted dihydro-1,5-naphthyridin-2(1H)-ones and 7,8-disubstituted dihydropyrido[3,2-d]pyrimidin-6(5H)-ones has been explored. This method is compatible with a wide range of N-arylcinnamamides as well as sodium fluoroalkylsulfonates (RfSONa, Rf = CHF, CF, CF, CF) and avoids the need for any external oxidant or photocatalyst. Mechanism studies revealed that the singlet oxygen coexists with the superoxide radical anion through energy transfer and single electron transfer processes during the photoredox reaction.

Bibliographic Details

Hongmiao Yao; Qianding Zeng; Yiqun Tang; Xiangqiao Yang; Shaodong Wang; Jiangmeng Ren; Bu Bing Zeng

Royal Society of Chemistry (RSC)

Chemical Engineering; Chemistry; Materials Science

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