Laser Flash Photolysis Studies of Alkoxyl Radical Kinetics Using 4-Nitrobenzenesulfenate Esters as Radical Precursors

4-Nitrobenzenesulfenate esters were used as precursors for the generation of alkoxyl radicals under laser flash photolysis conditions. The esters were efficiently cleaved using the Nd:YAG third harmonic (355 nm) to produce alkoxyl radicals and the 4-nitrobenzenethiyl radical. Rate constants for β-sc...

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Bibliographic Details
Published in:Organic letters 2000-10, Vol.2 (21), p.3369-3372
Main Authors: Horner, John H, Choi, Seung-Yong, Newcomb, Martin
Format: Article
Language:English
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Summary:4-Nitrobenzenesulfenate esters were used as precursors for the generation of alkoxyl radicals under laser flash photolysis conditions. The esters were efficiently cleaved using the Nd:YAG third harmonic (355 nm) to produce alkoxyl radicals and the 4-nitrobenzenethiyl radical. Rate constants for β-scission and 1,5-hydrogen abstraction reactions of alkoxyl radicals were measured.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol006469g