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Closed Access item Self-Addition of Metallacyclic Nickel Enolate Complexes Stabilized by Monodentate Phosphine Ligands

Authors:Cámpora, Juan
Matas, Inmaculada
Maya, Celia
Palma Ramírez, Pilar
Álvarez, Eleuterio
Keywords:Self-addition, Nickel enolate, Phosphine, Monodentate ligands, Metallacyclic enolate complexes, Hydrolysis, Aldol reaction
Issue Date:17-May-2006
Publisher:American Chemical Society
Citation:Organometallics 25(13): 3124-3129 (2006)
Abstract:In contrast with their stable counterparts bearing the chelating diphosphines, the nickelacyclic O-enolate complexes stabilized by monodentate ligands (R = H, Me, L = PMe3; R = H, L = PMe2Ph ) undergo an unusual self-addition process leading to dinuclear alkoxo-hydroxo derivatives. The α-substituted enolate complexes (R = Me) are less prone to undergo this transformation, and the corresponding nickelacycles with L = PMe3 or PMe2Ph can be isolated in pure form.
Description:6 páginas, 4 figuras, esquemas.
Publisher version (URL):http://dx.doi.org/10.1021/om060183j
URI:http://hdl.handle.net/10261/37756
ISSN:0276-7333
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Appears in Collections:(IIQ) Artículos

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