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Synthesis and Crystal Structures of P-Halogeno(imino)methylenephosphoranes X-P(=NtBu3C6H2)=C(SiMe3)2 (X = Cl, Br, I) (1998)

Ruban, Alexander ; Nieger, Martin ; Niecke, Edgar

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 1998 (1998), S. 83-85

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ISSN: 1434-1948

Keywords: Phosphorus ylides ; Bis(ylene)phosphoranes ; Halogenophosphoranes ; X-ray structure analysis ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The iminophosphane (Me3Si)3C-P=N-Mes* (1) reacts with iodine to form the imino(methylene)phosphorane I-P(=N-Mes*)=C(SiMe3)2 (2). Upon subsequent treatment with AgCl, the corresponding chloro derivative 3 is obtained. Chlorine/bromine exchange in 3 with bromotrimethylsilane affords the bromo analogue 4. The structures of 2, 3 and 4 were confirmed by X-ray crystal structure analysis; each of the compounds features a trigonal-planar phosphorus atom.

Type of Medium: Electronic Resource

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