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

Barrett, AGM; Crimmin, MR; Hill, MS; Hitchcock, PB; Lomas, SL; Procopiou, PA; Suntharalingam, K; (2009) Catalytic 2,3,4-hexatriene formation by terminal alkyne coupling at calcium. CHEM COMMUN (17) 2299 - 2301. 10.1039/b818848c.

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Abstract

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.

Type:Article
Title:Catalytic 2,3,4-hexatriene formation by terminal alkyne coupling at calcium
DOI:10.1039/b818848c
Keywords:CARBON BOND FORMATION, HYDROAMINATION CATALYSIS, TERT-BUTYLACETYLENE, DIMERIZATION, COMPLEXES, MECHANISM, HYDROPHOSPHINATION, REARRANGEMENT, ACETYLIDES, LIGATION
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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