Oxidant-free oxidation of C–H bonds by cathodic hydrogen evolution: a phosphonic Kolbe oxidation/cyclization process

An anodic oxidation/cyclization of 2-(aryl)aryl phosphonic acid monoesters for ethoxy dibenzooxaphosphorin oxide synthesis has been developed. This unprecedented electrochemical oxidation reaction proceeds at room temperature with no oxidant or electrolyte required, and exhibits high atom-economy wi...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2018, Vol.20 (17), p.3916-3920
Main Authors: Zhang, Lei, Zhang, Zhenxing, Zhang, Jianning, Li, Kangle, Mo, Fanyang
Format: Article
Language:English
Subjects:
Anodizing
Aromatic compounds
Atom economy
Chemical synthesis
Electrochemical oxidation
Electrochemistry
Green chemistry
Hydrogen evolution
Oxidation
Oxides
Temperature requirements
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Summary:An anodic oxidation/cyclization of 2-(aryl)aryl phosphonic acid monoesters for ethoxy dibenzooxaphosphorin oxide synthesis has been developed. This unprecedented electrochemical oxidation reaction proceeds at room temperature with no oxidant or electrolyte required, and exhibits high atom-economy with H 2 being the only byproduct. A series of ethoxy dibenzooxaphosphorin oxides were obtained in good yields.
ISSN:1463-9262
1463-9270
DOI:10.1039/C8GC02026D