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Title: Kinetic and mechanistic aspects of the direct photodegradation of atrazine, atraton, ametryn and 2-hydroxyatrazine by 254 nm light in aqueous solution
Authors: Azenha, M. E. D. G. 
Burrows, H. D. 
L., M. Canle 
Coimbra, R. 
Fernández, M. I. 
García, M. V. 
Peiteado, M. A. 
Santaballa, J. A. 
Issue Date: 2003
Citation: Journal of Physical Organic Chemistry. 16:8 (2003) 498-503
Abstract: Atrazine (1), Atraton (2) and Ametryn (3) are photodegraded upon 254 nm irradiation, yielding 2-OH-atrazine (4) as a photoproduct. Dealkylation products are also generated, and 4-ethylamino-6-isopropylamino-(1,3,5)-triazine was also found as a photoproduct of 3. The main photoreaction is proposed to be an addition-elimination, yielding 4, which subsequently photodegrades. The ease of photodegradation depends on the electron availability at position C-2, the observed order of photoreactivity being 1 > 3 > 4 > 2. Copyright © 2003 John Wiley & Sons, Ltd.
DOI: 10.1002/poc.624
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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