Stereospecific formation of enynephosphonates via palladium-catalyzed cross-coupling reaction of β-organotelluro vinylphosphonates with alkynes

  • Braga A
  • De Andrade L
  • Silveira C
 et al. 
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Abstract

β-Organotelluro vinylphosphonates 1 undergo direct coupling reaction with terminal alkynes in the presence of PdCl2/CuI in methanol at room temperature to give enynephosphonates 3 with retention of configuration in good yields. © 2001 Elsevier Science Ltd. All rights reserved.

Author-supplied keywords

  • Cross-coupling
  • Enynes
  • Palladium
  • Phosphonate
  • Telluride
  • Tellurium

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