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Issue 7, 2020
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Synthesis of sulfone-functionalized chroman-4-ones and chromans through visible-light-induced cascade radical cyclization under transition-metal-free conditions

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Abstract

A highly efficient and straightforward approach has been developed for selective intramolecular radical cyclization of arylsulfinic acids with o-(allyloxy)arylaldehydes, o-(homoallyloxy)arylaldehydes and (but-3-en-1-yloxy)benzenes. This photoinduced reaction generated sulfone-functionalized chroman-4-ones and chromans in good to excellent yields under simple and mild conditions without an external photocatalyst.

Graphical abstract: Synthesis of sulfone-functionalized chroman-4-ones and chromans through visible-light-induced cascade radical cyclization under transition-metal-free conditions

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Article information


Submitted
02 Jan 2020
Accepted
13 Mar 2020
First published
13 Mar 2020

Green Chem., 2020,22, 2270-2278
Article type
Paper

Synthesis of sulfone-functionalized chroman-4-ones and chromans through visible-light-induced cascade radical cyclization under transition-metal-free conditions

Y. Mei, L. Zhao, Q. Liu, S. Ruan, L. Wang and P. Li, Green Chem., 2020, 22, 2270
DOI: 10.1039/D0GC00009D

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