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Synlett 1992; 1992(8): 635-637
DOI: 10.1055/s-1992-21438
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Phosphino-1,2,3-butatrienes from 2-Vinyl-1H-phosphirenes by Ring Cleavage with Organolithium Compounds1

Holger Memmesheimer* , Uwe Bergsträßer, Jürgen Hoffmann, Mark Baird, Manfred Regitz
  • *Fachbereich Chemie der Universität Kaiserslautern, Erwin-Schrödinger-Strasse, D-6750 Kaiserslautern, Germany
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Publication Date:
08 March 2002 (online)

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The 2-vinyl-1H-phosphirenes 4 and 9, easily accessible from 1-chloro-2-vinyl-1H-phosphirenes 3 by nucleophilic substitution at phosphorus, react with organolithium derivatives to furnish the title compounds 6, 8, and 10. The 1H-phosphirenes 11 behave differently and give rise to the vinylallenes 15.