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Title: Palladium-assisted formation of carbon-carbon bonds Part 2.” Stoichiometric synthesis of spirocyclic compounds. X-ray structure of a wallylic palladium intermediate
Issue Date: 26-Nov-2019
Date of creation: 1994
Related subjects: CDU::5 - Ciencias puras y naturales::54 - Química::546 - Química inorgánica
Keywords: aryl allyl Pd(2) Hg transmetalation organometallic organic RX spiro acetylene insertion acetyl aryl cyclometallated ortometallated
Abstract: Stoichiometric reactions of arylpalladium compounds with alkynes give spirocyclic organic and organometallic compounds. The compound bis{r?-C-O-(2,3,4-trimethoxy-6-acetylphenyl)} di(p-chloro)dipalladium(II) reacts with diphenylacetylene or ethyl 3-phenylpropiolate giving 6-ace@-1,2,3,4- tetraphenyl-9,10-dimethoxy-spiro[4.5]1,3,6,9-decatetraen-8- one and 6-acetyl-1,3-dicarboxyethyl-2,4-diphenyl-9,lO-dimethoxy- spiro[4,5]1,3,6,9-decatetraen-8-one, respectively. A rrallylpalladium complex, 7~~-{6-acetyl-1,2,3,4_tetraphenyl- 8,9,lO-trimetho~-spiro[4,5]1,3,9-decatrien-6-enyl}(2,2’-bipyridine) palladium(II) trifluoromethylsulfonate solvated, with one molecule of 1,2-dichloroethane, has also been isolated and its structure determined by X-ray diffraction studies.
Primary author: Vicente, J.
Abad, J. A.
Gil-Rubio, J.
Jones, P. G.
Faculty / Departments / Services: Facultades, Departamentos, Servicios y Escuelas::Departamentos de la UMU::Química Inorgánica
Document type: info:eu-repo/semantics/article
Number of pages / Extensions: 4
Rights: info:eu-repo/semantics/openAccess
Attribution-NonCommercial-NoDerivatives 4.0 International
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