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        Synthesis  2005(4): 634-638  
DOI: 10.1055/s-2004-837307
   DOI: 10.1055/s-2004-837307
PAPER
© Georg Thieme Verlag Stuttgart · New YorkLewis Acid Catalyzed Synthesis of N-Protected Diphenyl 1-Aminoalkylphosphonates
Weitere Informationen
            
               
                  
                        
                              Received
                              24 September 2004 
                      
Publikationsdatum:
22. Dezember 2004 (online)
            
         
      
   Publikationsverlauf
Publikationsdatum:
22. Dezember 2004 (online)

Abstract
Diphenyl α-aminomethylphosphonates are prepared in good yields using a Lewis acid catalyzed Birum-Oleksyszyn reaction. This approach enlarges the scope of this reaction, allowing the use of aldehydes and ketones and the use of acid-labile groups in the synthesis of mono-and disubstituted diphenyl 1-aminoalkylphosphonates.
Key words
diphenyl 1-aminoalkylphosphonates - carbamates - Lewis acid - aldehydes - ketones
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