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Synthesis 1993; 1993(11): 1071-1073
DOI: 10.1055/s-1993-25999
short paper
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Expedient Synthesis of 1,1-Diiodoalkenes

Béatrice Bonnet* , Yann Le Gallic, Gérard Plé, Lucette Duhamel
  • *Université de Rouen, URA CNRS DO 464 and IRCOF, BP 118, F-76134 Mont Saint Aignan Cedex, France
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Publication Date:
29 April 2002 (online)

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1,1-Diiodoalkenes 1 were readily prepared from carbonyl compounds 2 and diethyl diiodomethylphosphonate (3), generated in situ from commercial diethyl iodomethylphosphonate (4) or diethyl methylphosphonate (5). Starting from aldehydes, iodoacetylenes 6 could be obtained directly in situ by dehydrohalogenation of diiodoalkenes 1.