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NO Spin Trapping and EPR Studies on the Photochemistry of Aliphatic Aldehydes

NO Spin Trapping and EPR Studies on the Photochemistry of Aliphatic Aldehydes

Fan Wang, Liandi Lei, Longmin Wu

Magn Reson Chem. 2005 Feb;43(2):156-65.

PMID: 15573364

Abstract:

Radicals, such as acyl, hydrated acyl, alkyl and ketyl radicals, from aliphatic aldehyde photochemistry were detected by NO spin trapping and EPR techniques. Deuterium effects on EPR spectra and the generation of radicals by 2-amido-2-propyl radical attack on substrate molecules in aqueous solution via hydrogen-atom abstraction were applied to identify radicals produced photochemically from aldehydes. Aliphatic aldehydes used in the present investigation were formaldehyde, acetaldehyde, acetaldehyde-d4, propionaldehyde, isobutyraldehyde, isopentanal and tert-pentanal. Possible reaction mechanisms are suggested.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1632899	Acetaldehyde-d4		1632-89-9	Price

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