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4 Polish Journal of Chemistry

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Synthesis of N-Arylamino(ferrocenyl)methylphosphinic Acids and Their Cholesteryl Esters

Lewkowski J., Karpowicz R.

Polish Journal of Chemistry

2007

Vol. 81, nr 12

2097-2101

The synthesis of N-arylamino(ferrocenyl)methylphosphinic acids by the action of hypo - phosphorous acid on anazomethine bond of ferrocenyl N-aryl Schiff bases is described. Ferrocenyl aminophosphinic acids obtained in this way have been converted into their cholesteryl esters by their reaction with cholesterol in the presence of DCC.

Oxidation of Phosphonocysteine and Phosphonohomocysteine. Synthesis of Phosphonocysteic and Phosphonohomocysteic Acids

Kudzin Z., Saganiak M., Andrijewski G., Drabowicz J.

Polish Journal of Chemistry

2005

Vol. 79 / nr 3

525-528

1-(N-Acylamino)alkanephosphonates. Part IV. N-Acylation of 1-Aminoalkanephosphonic Acids

Kudzin Z., Depczyński R., Andrijewski G., Drabowicz J., Łuczak J.

Polish Journal of Chemistry

2005

Vol. 79 / nr 3

499-513

Practical general procedures of N-acylation of 1-aminoalkanephosphonic acids, including N-acetylation, N-benzoylation and N-pivaloylation of the representative aminophosphonic acids are described. Physico-chemical properties of synthesized derivatives are presented. Dissociation equilibria, determined for some representative 1-(N-acylamino) alkanephosphonic acids, are listed.

Synthesis of New Imidazole Aminophosphonic and Aminophosphonic Acids

Boduszek B., Olszewski T.

Polish Journal of Chemistry

2002

Vol. 76 / nr 11

1619-1623

Imidazole aminophosphonic and imidazole aminophosphinic acids were synthesized by treatment of imidazole aldimines with silylated phosphorus acid esters. The aldimines were obtained from corresponding imidazolecarboxaldehydes and primary amines.