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Synthesis 1992; 1992(7): 643-645
DOI: 10.1055/s-1992-26186
short paper
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Phthalimidosulfenyl Chloride; Part 3: A Novel and Efficient Synthesis of Alkynyl Vinyl Sulfides

Elena Busi* , Giuseppe Capozzi, Stefano Menichetti, Cristina Nativi
  • *Centro C. N. R. "Chimica e Struttura dei Composti Eterociclici e loro Applicazioni", Dipartimento di Chimica Organica, Universita' di Firenze, Via G. Capponi 9, I-50121 Firenze, Italy
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Publication Date:
17 September 2002 (online)

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Alkynyl vinyl sulfides are prepared in good yield by reaction of lithium acetylides with the unsaturated sulfenamides 4 which in turn are easily synthesized by addition of phthalimidosulfenyl chloride to alkynes. In all cases the reaction occurs without effecting the stereochemistry of the double bond.