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https://hdl.handle.net/10316/8296
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. | URI: | https://hdl.handle.net/10316/8296 | DOI: | 10.1002/poc.624 | Rights: | openAccess |
Appears in Collections: | FCTUC Química - Artigos em Revistas Internacionais |
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