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Synthesis 1992; 1992(8): 787-792
DOI: 10.1055/s-1992-26227
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Phosphinalkylene, 511; Synthese und Reaktionen von [1-(Trialkylsilyl)alkyliden]triphenylphosphoranen

Hans Jürgen Bestmann* , Andreas Bomhard, Roman Dostalek, Rainer Pichl, Roland Riemer, Reiner Zimmermann
  • *Institut für Organische Chemie der Universität Erlangen-Nürnberg, Henkestraße 42, D-8520 Erlangen, Germany
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Publication Date:
17 September 2002 (online)

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Synthesis and Reactions of [1-(Trialkylsilyl)alkylidene[triphenylphosphoranes Alkylidenetriphenylphosphoranes 1 react with trialkyl halosilanes 2 to afford silylated alkylidenephosphoranes 5, which can be converted to acylated alkylidenephosphoranes 8 and 10 by trimethylsilyl carboxylates 6 or carboxylic anhydrides 10. Bis(acylalkylidenephosphoranes) 13-15 are available from 5 and bis(trimethylsilyl) dicarboxylates 12 or cyclic or polymeric anhydrides 16, 17.