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Synthesis 1994; 1994(12): 1262-1266
DOI: 10.1055/s-1994-25677
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Organophosphorus Compounds; 89:1 Preparation and Ene Reaction of Kinetically Non-Stabilized Phosphaalkenes: A Further Unusual Dimerization Process

Michael Slany* , Manfred Regitz
  • *Fachbereich Chemie der Universität Kaiserslautern, Erwin-Schrödinger-Straße, D-67663 Kaiserslautern, Germany
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Publication Date:
25 April 2002 (online)

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Phosphaalkenes 1a-d are readily accessible from condensation reactions of the carboxylic acid chlorides 7a-d with tris(trimethylsilyl)phosphane (8) and subsequent [1,3]-silyl shifts. The products 1 undergo dimerization at room temperature via the ene reaction to furnish the diphosphanes 9a-d.