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2000
Volume 6, Issue 3
  • ISSN: 2213-3372
  • E-ISSN: 2213-3380

Abstract

Background: In recent years, photoredox catalysis using eosin Y has gained considerable significance in organic chemistry. It is evolving as a powerful approach in modern organic synthesis for the activation of small molecules. Objective: The use of organic dyes to convert visible light into chemical energy by involving a single-electron transfer with organic substrates has innumerable applications. Method and Results: The present strategy is the first example of visible light promoted, aerobic, oxidative cyclization of chromeno[4,3-b]chromenes and hexahydro-1H-xanthenes via the formation of C–O and C–C bonds to afford excellent yield of the products in a simple one-pot operation under mild reaction conditions. Conclusion: The major advantages of the present methodology include short reaction time, cost effectiveness, easy work-up, broad substrate scope and high atom economy.

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/content/journals/cocat/10.2174/2213337206666190306154327
2019-09-01
2025-07-05
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