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    Photodecomposition of isoxaben in aqueous systems and solid phase.
        
        Sci. Total Environ. 123-124, 171-182 (1992)
    
    
				Photolysis of isoxaben N-[3-(1-ethyl-l-methylpropyl)-isoxazol-5-yl]-2-6-dimethoxylbenzamide in dilute aqueous solutions, adsorbed on silica gel plates and in solid phase was studied. The rate of photodecomposition was determined. The results suggest that the rate is not first order. Some photoproducts were isolated and identified by spectroscopic methods. Photo-decomposition with sunlight leads to the formation of three isomers, 2,6-dimethoxybenzo-nitrile and 2,6-dimethoxybenzamide as major photoproducts. The rearrangement has been shown to proceed in two photochemical steps by way of azirine II and unidentified photoproduct IV as stable intermediates. Azirine II is photodegraded to the product oxazole III and rearranges back to the starting isoxaben I. The same degradation products were found when isoxaben was adsorbed on silica gel and in solid phase.
			
			
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
     
    
    
        Schlagwörter
        Isoxaben ; Photolysis ; Photoproducts
    
 
     
    
    
        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        1992
    
 
     
    
        HGF-Berichtsjahr
        0
    
 
    
    
        ISSN (print) / ISBN
        0048-9697
    
 
    
        e-ISSN
        1879-1026
    
 
     
     
     
	     
	 
	 
    
        Zeitschrift
        Science of the Total Environment, The
    
 
		
    
        Quellenangaben
        
	    Band: 123-124,  
	    Heft: C,  
	    Seiten: 171-182 
	    
	    
	
    
 
  
         
        
            Verlag
            Elsevier
        
 
         
	
         
         
         
         
         
	
         
         
         
    
         
         
         
         
         
         
         
    
        Begutachtungsstatus
        Peer reviewed
    
 
    
        Institut(e)
        Institute of Ecological Chemistry (IOEC)
    
 
     
     
     
     
     	
    
        Scopus ID
        0026736736
    
    
        Erfassungsdatum
        1992-12-03