Rhodium-Catalyzed Pauson−Khand Reaction Using a Small-Bite-Angle P‑Stereogenic C1‑Diphosphine Ligand

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RECERCAT Home > Universitat de Barcelona > Institut de Recerca Biomèdica (IRB Barcelona) > Articles publicats en revistes (Institut de Recerca Biomèdica (IRB Barcelona)) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/69303

dc.contributor.author	Cristóbal Lecina, Edgar
dc.contributor.author	Costantino, Andrea R.
dc.contributor.author	Grabulosa, Arnald
dc.contributor.author	Riera i Escalé, Antoni
dc.contributor.author	Verdaguer i Espaulella, Xavier
dc.date	2016-02-08T07:43:31Z
dc.date	2016-02-08T07:43:31Z
dc.date	2015-09-30
dc.date	2016-02-08T07:43:31Z
dc.identifier.citation	0276-7333
dc.identifier.citation	655212
dc.identifier.uri	http://hdl.handle.net/2445/69303
dc.format	5 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Chemical Society
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1021/acs.organomet.5b00576
dc.relation	Organometallics, 2015, vol. 34, num. 20, p. 4989-4993
dc.relation	http://dx.doi.org/10.1021/acs.organomet.5b00576
dc.rights	cc-by-nc (c) American Chemical Society , 2015
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc/3.0/es
dc.subject	Lligands
dc.subject	Catàlisi asimètrica
dc.subject	Rodi
dc.subject	Reacció de Pauson-Khand
dc.subject	Ligands
dc.subject	Enantioselective catalysis
dc.subject	Rhodium
dc.subject	Pauson-Khand reaction
dc.title	Rhodium-Catalyzed Pauson−Khand Reaction Using a Small-Bite-Angle P‑Stereogenic C1‑Diphosphine Ligand
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The asymmetric Pauson−Khand reaction catalyzed by [Rh(COD)(MaxPHOS)]BF4 is described. Several 1,6-enynes have been chosen as model substrates affording moderate yields and selectivities of up to 86% ee. Besides binap-type ligands, we have demonstrated that the Pstereogenic C1-symmetry small-bite-angle ligand MaxPHOS is a viable ligand in this process. The formation of [2+2+2] cycloaddition compounds has shown to be a competitive process. A mechanism is proposed to account for the observed results. The intermediate rhodium dicarbonyl complex 6 was synthesized, and its solid-state structure was elucidated by X-ray crystallography.

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