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Improvement of ligand economy controlled by polymer morphology: The case of polymer-supported bis(oxazoline) catalysts

AuthorsBurguete, M. Isabel ; Fraile, José M. ; García, José I. ; Herrerías, Clara I. ; Mayoral, José A.
Issue Date2002
CitationBioorganic and Medicinal Chemistry Letters 12(14): 1821-1824 (2002)
AbstractA functionalized chiral bis(oxazoline) is used as a chiral monomer in polymerization reactions leading to homo- and copolymers of different morphology. Polymers with a high content of chiral monomer lead to enantioselectivities that are higher than those obtained with the soluble ligand, but the chiral ligand is not used in an optimal way. A hyperbranched polymer, obtained by using a hexavinyldendrimer as the cross-linker, leads to the same enantioselectivities with a more efficient use of the chiral ligand. © 2002 Elsevier Science Ltd. All rights reserved.
Identifiersdoi: 10.1016/S0960-894X(02)00259-7
issn: 0960-894X
Appears in Collections:(ICMA) Artículos
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