Microwave-assisted palladium-catalyzed highly regio- and stereoselective head to head dimerization of terminal aryl alkynes in water

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Title: Microwave-assisted palladium-catalyzed highly regio- and stereoselective head to head dimerization of terminal aryl alkynes in water
Authors: Buxaderas Pérez de Armiñán, Eduardo | Alonso, Diego A. | Nájera, Carmen
Research Group/s: Síntesis Asimétrica (SINTAS) | Catálisis Estereoselectiva en Síntesis Orgánica (CESO)
Center, Department or Service: Universidad de Alicante. Departamento de Química Orgánica | Universidad de Alicante. Instituto Universitario de Síntesis Orgánica
Keywords: Microwave-assisted | Palladium-catalyzed | Highly regio- and stereoselective | Head to head dimerization | Terminal aryl alkynes | Water
Knowledge Area: Química Orgánica
Issue Date: 15-Sep-2014
Publisher: Royal Society of Chemistry
Citation: RSC Advances. 2014, 4: 46508-46512. doi:10.1039/C4RA08287G
Abstract: A highly regio- and stereoselective oxime palladacycle/imidazolinium-catalyzed head to head dimerization of terminal aryl alkynes in water is presented. The reaction, which is carried out at 130 °C under microwave irradiation in the presence of 1,3-bis-(2,6-diisopropylphenyl)imidazolinium chloride as ligand, triethylamine as base, and TBAB as surfactant, allows the synthesis of (E)-1,4-enynes as single stereoisomers in good isolated yields.
Sponsor: Financial support from the MINECO (CTQ2010-20387), the Generalitat Valenciana (PROMETEO/2009/038), and the University of Alicante (VIGROB-173, UAUSTI13-01) is acknowledged.
URI: http://hdl.handle.net/10045/43022
ISSN: 2046-2069
DOI: 10.1039/C4RA08287G
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Royal Society of Chemistry 2014
Peer Review: si
Publisher version: http://dx.doi.org/10.1039/C4RA08287G
Appears in Collections:INV - SINTAS - Artículos de Revistas
INV - CESO - Artículos de Revistas

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