4.7 Article

Efficient access to alkynylated quinalizinones via the gold(I)-catalyzed aminoalkynylation of alkynes

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 52, Pages 8152-8155

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc03414d

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Funding

  1. Board of Research in Nuclear Science (BRNS), Mumbai [37(2)/14/12/2015/BRNS/10549]
  2. Council of Scientific and Industrial Research (CSIR), New Delhi [CSC0108, CSC0130]
  3. CSIR

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The gold-catalyzed aminoalkynylation of alkynes for the synthesis of quinalizinones is reported. For instance, the reaction of pyridinoalkynes with 1-[(triisopropylsilyl)-ethynyl]-1,2-benziodoxol-3(1H)-one (TIPS-EBX) in the presence of a catalytic amount of AuCl at 50 8C afforded alkynylated quinalizinones in 57-87% yields.

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