The First Immobilization of Pyridine-bis(oxazoline) Chiral Ligands

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 2002 Spain English Publisher:American Chemical Society (ACS)Journal:Organic Letters, volume 4, pages 3,927-3,930 (issn: 1523-7060, eissn: 1523-7052,

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Authors: Cornejo, Alfonso; Fraile, José M.; García, José I.; García-Verdugo, Eduardo; Gil, María José; Legarreta, Gorka; Luis, Santiago V.; +2 Authors

doi: 10.1021/ol026787a

pmid: 12599494

handle: 10261/272851

The First Immobilization of Pyridine-bis(oxazoline) Chiral Ligands

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Abstract

[formula: see text] A chiral pyridine-bis(oxazoline) ligand, functionalized with a vinyl group in the pyridine ring, can be polymerized with styrene and divinylbenzene to obtain supported chiral ligands. As proof of the usefulness of this supported ligands, the corresponding ruthenium complexes are catalysts for the cyclopropanation reaction of styrene with ethyl diazoacetate with up to 85% ee.

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