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Synthesis of Trifluoromethylated 4H-1-Benzopyran Derivatives via Photocatalytic Trifluoromethylation/Oxidation/Conjugate Addition, and Cyclization Sequences of Vinyl Phenols
- Authors
- Jang, Jihoon; Kim, Dae Young
- Issue Date
- Apr-2022
- Publisher
- Wiley - VCH Verlag GmbH & Co. KG
- Keywords
- ortho-Quinone methides; 4H-benzopyrans; photoredox reaction; multicomponent reaction
- Citation
- Asian Journal of Organic Chemistry, v.11, no.4, pp 1 - 4
- Pages
- 4
- Journal Title
- Asian Journal of Organic Chemistry
- Volume
- 11
- Number
- 4
- Start Page
- 1
- End Page
- 4
- ISSN
- 2193-5807
2193-5815
- Abstract
- The objective of this study was to describe a cyclization reaction of photoredox generated ortho-quinone methides using 1,3-diketones for the synthesis of trifluoromethylated 4H-1-benzopyrans with moderate to high yields. This process resulted in in situ formation of trifluoromethylated ortho-quinone methides from 2-vinyl phenols with Umemoto's reagent, followed by conjugate addition and cyclization reaction of 1,3-diketones.
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Related Researcher
- Kim, Dae Young
- College of Natural Sciences (Department of Chemistry)