Angewandte Chemie International Edition· 2018Q1· Review
Visible‐Light Photocatalysis: Does It Make a Difference in Organic Synthesis?
- 2,152citations
- Q1SCImago
- 2018year
Short summary
Visible-light photocatalysis offers milder conditions (room temperature) and replaces stoichiometric reagents with simple oxidants/reductants (e.g., air, O2, amines) in organic synthesis, enabling new reaction pathways and improving radical chemistry.
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Key points
- Visible-light photocatalysis is now a widely used method in organic synthesis.
- Photocatalytic methods often use milder conditions, such as room temperature.
- Stoichiometric reagents are frequently replaced by simple oxidants or reductants like air or amines.
- Photocatalysis can improve radical chemistry and access new reactive species.
AI-generated from the title and abstract; the full text is not read.
Abstract
Visible-light photocatalysis has evolved over the last decade into a widely used method in organic synthesis. Photocatalytic variants have been reported for many important transformations, such as cross-coupling reactions, α-amino functionalizations, cycloadditions, ATRA reactions, or fluorinations. To help chemists select photocatalytic methods for their synthesis, we compare in this Review classical and photocatalytic procedures for selected classes of reactions and highlight their advantages and limitations. In many cases, the photocatalytic reactions proceed under milder reaction conditions, typically at room temperature, and stoichiometric reagents are replaced by simple oxidants or reductants, such as air, oxygen, or amines. Does visible-light photocatalysis make a difference in organic synthesis? The prospect of shuttling electrons back and forth to substrates and intermediates or to selectively transfer energy through a visible-light-absorbing photocatalyst holds the promise to improve current procedures in radical chemistry and to open up new avenues by accessing reactive species hitherto unknown, especially by merging photocatalysis with organo- or metal catalysis.
The authors' abstract, as published at the source. Angewandte Chemie International Edition, 2018 · DOI ↗
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Field: Organic Chemistry
Organic ChemistryChemistry