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Synthesis 1998; 1998(1): 39-41
DOI: 10.1055/s-1998-2006
short paper
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Stereospecific Formation of Chalcogenoenynes via Palladium Catalysed Cross-Coupling Reaction of α-Bromovinylic Chalcogenides

Antonio L. Braga* , Gilson Zeni, Leandro H. de Andrade, Claudio C. Silveira, Hélio A. Stefani
  • *Departamento de Química, Universidade federal de Santa Maria, 97119-900, Santa Maria, RS, Brazil; E-mail: albraga@quimica.ufsm.br
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Publication Date:
31 December 2000 (online)

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α-Bromovinylic chalcogenides undergo direct coupling reaction with terminal alkynes in the presence of palladium(0) in pyrrolidine at room temperature to give chalogenoenynes in good yields.

vinylic bromide - vinylic chalcogenide - enynes - cross-coupling

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