Radical reactions promoted by trivalent tertiary phosphines

Tertiary phosphines have been extensively developed as effective organic catalysts/reagents to promote various modern organic transformations in both racemic and enantioselective fashions. However, their applications in radical generation and reactions remain relatively less explored. Phosphine-cent...

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Published inOrganic chemistry frontiers an international journal of organic chemistry Vol. 7; no. 16; pp. 2349 - 2371
Main Authors Pan, Dingwu, Nie, Guihua, Jiang, Shichun, Li, Tingting, Jin, Zhichao
Format Journal Article
LanguageEnglish
Published London Royal Society of Chemistry 21.08.2020
Subjects
Catalysis
Catalysts
Charge transfer
Chemical reactions
Electrochemistry
Enantiomers
Molecular structure
Organic chemistry
Oxidants
Oxidizing agents
Phosphine
Phosphines
Photoredox catalysis
Reagents
Single electrons
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Summary:Tertiary phosphines have been extensively developed as effective organic catalysts/reagents to promote various modern organic transformations in both racemic and enantioselective fashions. However, their applications in radical generation and reactions remain relatively less explored. Phosphine-centered radical species, generated from various tertiary phosphines via phosphine–oxidant charge transfer processes, photoredox catalysis and electrochemical oxidations, can give rise to many unprecedented activation modes and reactions. Single-electron-transfer (SET) reactions associated with tertiary phosphines in particular have recently gained popularity, affording novel and promising synthetic approaches to challenging molecular structures from readily available starting materials upon simple operation. Summarized herein are the historical background and recent breakthroughs in this dynamic field of phosphine-mediated radical organic reactions.
ISSN:2052-4110
2052-4110
DOI:10.1039/d0qo00473a