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Inne
Aminoalkylphosphines, the water-soluble chiral phosphines.
Autorzy
Rok wydania
2007
Czasopismo
Numer woluminu
81
Strony
1771-1776
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Chiral water-soluble heterocyclic phosphines 2,2′,2″-[1,3,5- diazaphosphinane-1,3,5-triyltris(methyleneimino)]tripropanoic acid (1), 2,2′,2″-[1,3,5-diazaphosphinane-1,3,5-triyltris(methyleneimino)] tris(3-phenylpropanoic) acid (2) and 2,2′,2″-[1,3,5- diazaphosphinane-1,3,5-triyltris(methyleneimino)]tris(4-methylpentanoic) acid (3) were obtained in reactions of tris(hydroxymethyl)phosphine with chiral amino acids: alanine, phenylalanine and leucine. Course of reaction of amino acids depends on the acidity of solution, at pH ≈ 6 mainly heterocyclic compounds were obtained, however in basic solutions products of Mannich-type condensation 2,2′,2″-[phosphinetriyltris(methyleneimino)]tripropanoic acid (4), 2,2′,2″-[phosphinetriyltris(methyleneimino)]tris(3-phenylpropanoic) acid (5) and 2,2′,2″-[phosphinetriyltris(methyleneimino)]tris(4- methylpentanoic) acid (6) are formed. The prepared compounds were characterized using spectroscopic methods.
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