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        Synthesis  2004(17): 2845-2848  
DOI: 10.1055/s-2004-834871
   DOI: 10.1055/s-2004-834871
PAPER
© Georg Thieme Verlag Stuttgart · New YorkA Convenient and Efficient Synthesis of 1-Aryl-2,2-dichloroethanones
Further Information
            
               
                  
                        
                              Received
                              30 July 2004 
                      
Publication Date:
15 October 2004 (online)
            
         
      
   Publication History
Publication Date:
15 October 2004 (online)

Abstract
1-Arylethanones are readily chlorinated with an aqueous HCl-H2O2 system using ethanol as a cosolvent. The reaction proceeds rapidly and results in selective conversion of 1-arylethanones into 1-aryl-2,2-dichloroethanones in yields of 48-89%, depending on the nature of the substituent in the aryl group.
Key words
1-arylethanones - 1-aryl-2,2-dichloroethanones - chlorination - hydrogen peroxide
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