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Synthesis 1995; 1995(8): 941-943
DOI: 10.1055/s-1995-4027
short paper
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A New Approach to 1-Chlorophosphirenes

Bernard Deschamps, François Mathey*
  • *Laboratoire ”Hétéroéléments et Coordination”, URA CNRS 1499, DCPH, Ecole Polytechnique, F-91128 Palaiseau Cedex, France, Fax +33(69)333010
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Publikationsdatum:
31. Dezember 2000 (online)

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(1-Chlorophosphirenes) 2 and 4 have been synthesized by displacement from their W(CO)5 complexes with 1,2-bis(diphenylphosphino)ethane. These precursor complexes are conveniently prepared by reaction of an alkyne with a (1-aminophosphirane)pentacarbonyltungsten (8), followed by cleavage of the P-N bond with hydrogen chloride. 1-Chlorophosphirene and its 2-phenyl derivative cannot be isolated in this manner, since they rapidly react further under the given conditions.

phosphirane - phosphirene - phosphinidene - pentacarbonyl tungsten complexes - decomplexation