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Synthesis 1993; 1993(8): 763-764
DOI: 10.1055/s-1993-25932
short paper
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The Reaction of Terminal Phosphinidene Complexes with Phosphaalkenes: Thermal Symmetrisation of Diphosphiranes with Asymmetric Substitution Patterns

Rainer Streubel* , Ngoc Hoa Tran Huy, François Mathey
  • *Laboratoire "Hétéroéléments et Coordination", URA CNRS 1499, DCPH, Ecole Polytechnique, F-91128 Palaiseau Cedex, France
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Publikationsdatum:
27. September 2002 (online)

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The reaction of transient phosphinidene pentacarbonyltungsten complexes with phosphaalkenes at 120°C, in toluene directly yields the corresponding uncomplexed 1,2-diphosphiranes. A 1-chloro-2-phenyl-1,2-diphosphirane, thus obtained, is transformed upon further heating at 120°C into the symmetrical 1,2-diphenyl derivative via an unknown mechanism.