4.7 Article

Catalytic 2,3,4-hexatriene formation by terminal alkyne coupling at calcium

Journal

CHEMICAL COMMUNICATIONS
Volume -, Issue 17, Pages 2299-2301

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b818848c

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Funding

  1. Engineering and Physical Sciences Research Council
  2. GlaxoSmithKline
  3. Engineering and Physical Sciences Research Council [EP/E03117X/1] Funding Source: researchfish
  4. EPSRC [EP/E03117X/1] Funding Source: UKRI

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Heteroleptic calcium amides effect the catalytic dimerisation of the terminal alkyne CH3OCH2C CH to the hexatriene (CH3OCH2)CH=C=C=CH(CH2OCH3) under mild conditions; the reaction is proposed to occur via a dimeric calcium acetylide intermediate and to be promoted by polarisation of the electron density within the alkynide C C bonds.

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