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Synlett 2001; 2001(3): 0369-0370
DOI: 10.1055/s-2001-11407
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First Coupling Reaction of Terminal Alkynes with Sulfur and Selenium Substituted Vinylic Tosylates Catalyzed by Pd(II)

Antonio L. Braga* , Daniel J. Emmerich, Claudio C. Silveira, Tales L. C. Martins, Oscar E. D. Rodrigues
  • *Departamento de Química, Universidade Federal de Santa Maria, Br-97105-900, Santa Maria, RS, Brazil
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Publication Date:
31 December 2001 (online)

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α-Chalcogeno vinyl tosylates undergo direct coupling reactions with terminal alkynes in the presence of palladium (II) in THF/i-Pr2NH at room temperature to give β-chalcogeneno enynes in good yields.

catalysis - palladium-coupling - tosylates - alkenes - alkynes - sulfur - selenium - Sonogashira coupling