Direct Detection of a Persistent Carbonyloxyl Radical in the Gas Phase

Long lived: Carbonyloxyl radicals (RCO2.) are reactive intermediates that play key roles in initiating polymerization reactions. This reactivity also makes their direct observation difficult. For the first time a persistent organic RCO2. radical is detected in the gas phase, its extraordinary longev...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2013-08, Vol.52 (35), p.9301-9304
Main Authors: Poad, Berwyck L. J., Kirk, Benjamin B., Hettiarachchi, Pramesh I., Trevitt, Adam J., Blanksby, Stephen J., Clark, Timothy
Format: Article
Language:English
Subjects:
carbonyloxyl radical
Carboxylic Acids - chemistry
electron photodetachment
electrospray ionization
Free Radicals - chemistry
Gases - chemistry
ion-trap mass spectrometry
Quantum Theory
radical anions
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Summary:Long lived: Carbonyloxyl radicals (RCO2.) are reactive intermediates that play key roles in initiating polymerization reactions. This reactivity also makes their direct observation difficult. For the first time a persistent organic RCO2. radical is detected in the gas phase, its extraordinary longevity is attributed to the high barrier towards fragmentation owing to the endothermicity of the decarboxylation products.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201304316