O,N Mono-aminophenolate neutral and cationic group-13 complexes: synthesis, structure and reactivity
作者： Samuel Dagorne
DOI: 10.1016/J.CRCI.2005.12.003
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摘要: Cette mise au point decrit le travail de recherche effectue ces dix dernieres annees sur l'etude la synthese, structure et reactivite complexes O,N mono-aminophenolates dialkyles du groupe 13. En general, les derives neutres 13 type {ON}MR 2 (ON = ligand aminophenolate) sont aisement accessibles par reaction d'un aminophenol approprie (OH-N) avec un reactif trialkyle MR 3 , via une d'elimination d'alcane. Ces precurseurs peuvent etre alors transformes en cationiques 13, lesquelles stables, robustes acides Lewis, cette transformation s'effectuant arrachement alkyl, moyen B(C 6 F 5 ) centre metallique . especes cationiques, dont structures grandement influencees nature sterique ancillaire, ont jusqu'ici trouve des applications tant que catalyseurs polymerisation PO. Leur implication dans d'hydroalumination cetones aromatiques catalysee a egalement ete demontree.
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