Deuterated analogues of the free radical trap DEPMPO: synthesis and EPR studies

JL Clément, JP Finet, C Fréjaville…

Index: Clement, Jean-Louis; Finet, Jean-Pierre; Frejaville, Claudine; Tordo, Paul Organic and Biomolecular Chemistry, 2003 , vol. 1, # 9 p. 1591 - 1597

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Citation Number: 27

Abstract

Three analogues of 5-diethoxyphosphoryl-5-methyl-1-pyrroline N-oxide (DEPMPO, 1) labelled with two (1-d2), five (1-d5) or seven (1-d7) 2H were synthesized and used to trap the tert-butylperoxyl radical. The EPR spectra of 1-d2-OOBut and 1-d7-OOBut spin adducts exhibited more straightforward patterns and better signal to noise ratio than those obtained with 1 or 1-d5. The use of the easily available 1-d2 as spin trap could help significantly the ...

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