Visible-Light Excitation of Quinolinone-Containing Substrates Enables Divergent Radical Cyclizations

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Title
Visible-Light Excitation of Quinolinone-Containing Substrates Enables Divergent Radical Cyclizations
Author(s)
Kiho Kim; Hangyeol Choi; Dahye Kang; Sungwoo Hong
Publication Date
2019-05
Journal
ORGANIC LETTERS, v.21, no.9, pp.3417 - 3421
Publisher
AMER CHEMICAL SOC
Abstract
© 2019 American Chemical Society. Reported herein is the photochemical activity of quinolinone-containing substrates that directly reach an excited state upon light absorption to trigger radical-based bond-forming processes. The presented transformations allow divergent construction of valuable dihydro- or tetrahydrophenanthridin-6(5H)-ones through the generation of S- or P-centered radicals, subsequent radical addition, cyclization, and a hydrogen atom transfer/electron transfer sequence. This strategy demonstrates the potential generality of quinolinone-tethered substrates to directly participate in the photoexcitation for the development of useful synthetic methods
URI
https://pr.ibs.re.kr/handle/8788114/5977
ISSN
1523-7060
Appears in Collections:
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > Journal Papers (저널논문)
Files in This Item:
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