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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 544 (1987), S. 225-231 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: N.M.R. Investigations of Fluorodiazadiphosphetidines and Fluoro-λ5-monophosphazenesThe 19F and 31P n.m.r. data of 37 fluorodiazadiphosphetidines [RR′PF—NC6H4X]2, and 62 fluoro-λ5-monophosphazenes, RR′PF=NC6H4X, are submitted. In the case of tetrafluorodiazadiphosphetidines, [RPF2—NC6H4X]2, an intramolecular exchange of the fluorine atoms at phosphorus has to be concluded from the n.m.r. data. The influence of the substituents R and X on the n.m.r. parameters is discussed using simple models of molecular structure.
    Notes: Es werden die 19F- und 31P-NMR-Daten von 37 Fluorodiazadiphosphetidinen, [RR′PF—NC6H4X]2, und 62 Fluoro-λ5-monophosphazenen, RR′PF=NC6H4X, mitgeteilt. Aus ihnen muß für die Tetrafluorodiazadiphosphetidine, [RPF2—NC6H4X]2, auf einen intramolekularen Positionswechsel der Fluoratome am Phosphor geschlossen werden. Der Einfluß der Substituenten R und X auf die NMR-Parameter wird anhand einfacher Modelle der Molekülstruktur diskutiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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