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Synthesis 2001; 2001(3): 0463-0467
DOI: 10.1055/s-2001-11437
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Organophosphorus Compounds, Part 157;1 New Access to 1,3-Diphosphinines and their Valence Isomerization to Dewar-1,3-diphosphinines

Michael A. Hofmann* , Heinrich Heydt, Manfred Regitz
  • *Fachbereich Chemie der Universität Kaiserslautern, Erwin-Schrödinger-Straße, 67663 Kaiserslautern, Germany; Fax + 49(0)631/205-3921; E-mail: heydt@chemie.uni-kl.de
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Publication Date:
31 December 2001 (online)

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The reaction of a phosphatriafulvene containing a silyl substituent at phosphorus with kinetically stabilized phosphaalkynes yields the corresponding 1,3-diphosphinines. The latter can be converted thermally to Dewar-1,3-diphosphinines.

alkenes - alkynes - heterocycles - isomerizations - phosphorus