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Synthesis 1997; 1997(1): 44-46
DOI: 10.1055/s-1997-1508
short paper
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1-Aminoalkanephosphonates. Part II. A Facile Conversion of 1-Aminoalkanephosphonic Acids into 0,0-Diethyl 1-aminoalkanephosphonates

Zbigniew H. Kudzin1 , Piotr Łyżwa2 , Jerzy Łuczak2 , Grzegorz Andrijewski3
  • 1Department of Organic Chemistry, University of Łódź, Narutowicza 68, Łódź. 90-136, Poland, Fax +48(42)786583
  • 2Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 116, Łódź. 90-363, Poland
  • 3Department of Inorganic and General Chemistry, University of Łódź, Narutowicza 68, Łódź. 90-136, Poland
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Publication Date:
31 December 2000 (online)

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1-(N-Trifluoroacetylamino)alkanephosphonate 0,0-diethyl esters 2 C, obtained from parent 1-aminoalkanephosphonic acids 1, have been selectively deprotected on the amino function affording 0,0-diethyl 1-aminoalkanephosphonates 3. Protonation constants of all amino esters 3 synthesized have been determined by potentiometric titration.

1-aminoalkanephosphonic acids - 0,0-diethyl 1-aminoalkanephosphonates protonation constants - selective deprotection of the amino function