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  • Articles: DFG German National Licenses  (1)
  • Keywords. P-Epimeric phosphoramidates; O-Cholesteryl derivatives; X-Ray structure determination.  (1)
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  • Articles: DFG German National Licenses  (1)
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  • 1
    ISSN: 1434-4475
    Keywords: Keywords. P-Epimeric phosphoramidates; O-Cholesteryl derivatives; X-Ray structure determination.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung.  O-Cholesteryl-O-phenyl-N-phosphoramidat wurde als Zwischenprodukt für die stereoselektive Synthese von Organophosphaten und Phosphorthioaten dargestellt. Die Einkristallröntgenstrukturanalyse ergab vier unabhängige P-epimere Phosphoramidate, die in der triklinen Raumgruppe P1 kristrallisieren. Sie liegen im Kristall selektiv gepaart in From von pseudo-zentrosymmetrischen Dimeren vor, die über Wasserstoffbrücken zwischen der Amidgruppe des einen Epimers und der Phosphinoylgruppe des zweiten aneinander gebunden sind.
    Notes: Summary.  O-Cholesteryl-O-phenyl-N-phenylphosphoramidate was synthesized as intermediate for the stereoselective synthesis of organophosphates and phosphorothioates. Single crystal X-ray diffraction discerned four independent P-epimeric phosphoramidates cocrystallizing in the triclinic P1 space group. They were found to be selectively paired in the crystal forming pseudo-centrosymmetric dimers via hydrogen bonds between the amide group of one epimer and the phosphinoyl group of the other.
    Type of Medium: Electronic Resource
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