Lemhadri, M. and Battace, A. and Berthiol, F. and Zair, T. and Doucet, H. and Santelli, M. (2008) Palladium-tetraphosphine complex catalysed heck reaction of vinyl bromides with alkenes: A powerful access to conjugated dienes. Synthesis (7). pp. 1142-1152.

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Abstract

A wide variety of 1,3-dienes have been prepared by the Heck vinylation of vinyl bromides using Pd(η3-C3H5)Cl 2/cis,cis,cis-1,2,3,4-tetrakis(diphenylphosphino)methyl cyclopentane (Tedicyp) as the catalyst precursor. Both α- and β-substituted vinyl bromides undergo the Heck reaction with functionalised alkenes such as acrylates, enones, styrenes or a vinyl sulfone, and also with nonfunctionalised alkenes such as dec-1-ene, leading stereoselectively, in most cases, to the corresponding E- or E,E-1,3-dienes in good yields. Furthermore, this catalyst can be used at low loading for several reactions. © Georg Thieme Verlag Stuttgart.

Item Type: Article
Uncontrolled Keywords: Nonfunctionalised alkenes; Palladium-tetraphosphine complexes; Tetraphosphine; Vinyl bromides, Catalysis; Functional groups; Metal complexes; Olefins; Reaction kinetics; Substitution reactions, Palladium compounds, alkadiene; alkene derivative; bromide; cic,cis,cis 1,2,34 tetrakis(diphenylphosphino)methylcyclopentane; palladium; pentane; phosphine derivative; sulfone derivative; tetraphosphine complex; unclassified drug; vinyl bromide derivative; vinyl sulfone, article; catalysis; chemical reaction; chemical structure; nuclear magnetic resonance
Subjects: Chemical Engineering
Divisions: SCIENTIFIC PRODUCTION > Chemical Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:45
URI: http://eprints.umi.ac.ma/id/eprint/1760

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