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Authors: Appel, Rolf
Gudat, Dietrich
Niecke, Edgar
Nieger, Martin
Porz, Christoph
Westermann, Hermann
Title: Synthese und Struktur aminosubstituierter Tetraphosphetane
Other Titles: Synthesis und structure of amino-substituted tetraphosphetanes
Issue Date: 1991 Zeitschriftenartikel Zeitschrift für Naturforschung, B 46 (1991), S. 865-883
Abstract: A number of aminotetraphosphetanes could be obtained by reductive dehalogenation of dichlorophosphines with magnesium as well as by elimination of chlorotrimethylsilane from vicinal chlorosily-functionalized biphosphines and from [2+2]-cyclodimerization of aminodiphosphenes, respectively. The molecular structures of several tetraphosphetanes are reported and discussed. The torsion-angle of the four-membered rings varies from 22,5 to 45,7 depending on the size und electronegativity of the exocyclic ligands.
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