4.6 Article

Metal-Free Photoredox Intramolecular Cyclization of N-Aryl Acrylamides

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CATALYSTS
卷 13, 期 6, 页码 -

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MDPI
DOI: 10.3390/catal13061007

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radical cyclization; hydroarylation; oxindoles; visible-light

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A novel metal-free photoredox-catalyzed cyclization reaction of N-aryl acrylamide is presented, which produces valuable oxindole derivatives through the mediation of H2O and aldehyde. Sustainable visible light was employed as the energy source, and the organic light-emitting molecule 4CzIPN acted as the efficient photocatalyst. The main features of this reaction are environmentally-friendly conditions and high yields.
A novel metal-free photoredox-catalyzed cyclization reaction of N-aryl acrylamide is herein reported that provides synthetically valuable oxindole derivatives through the bis-mediation of H2O and aldehyde. In this work, sustainable visible light was used as the energy source, and the organic light-emitting molecule 4CzIPN served as the efficient photocatalyst. The main characteristics of this reaction are environmentally friendly and high yields.

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