4.8 Article

Tandem Blaise-Alkenylation with Unactivated Alkynes: One-Pot Synthesis of α-Vinylated β-Enaminoesters from Nitriles

Journal

ORGANIC LETTERS
Volume 11, Issue 15, Pages 3414-3417

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol901241s

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Funding

  1. Korea Research Foundation [KRF-2006-312-C00587]
  2. Center for Intelligent Nano-Bio Materials at Ewha Womans University

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The in situ generated Blaise reaction intermediate, a zinc bromide complex of beta-enaminoester, reacts with various unactivated terminal alkynes and an internal alkyne under mild conditions to afford alpha-vinylated beta-enaminoesters in good to excellent yields.

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