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Enantioselective C-H carbene insertions with homogeneous and immobilized copper complexes

AuthorsFraile, José M. ; López-Ram-de-Víu, Pilar ; Mayoral, José A. ; Roldán, Marta; Santafé-Valero, Jorge
Issue Date2011
PublisherRoyal Society of Chemistry (UK)
CitationOrganic and Biomolecular Chemistry 9(17): 6075-6081 (2011)
AbstractThe efficiency of chiral bis(oxazoline)- and azabis(oxazoline)-copper complexes in the enantioselective carbene insertion into C-H bonds of cyclic ethers in homogeneous phase strongly depends on the structure of the substrate. The immobilization on laponite clay by electrostatic interactions not only allows the recovery and reuse of the heterogeneous catalysts, but in some cases also improves enantioselectivity and overall chemoselectivity, making possible reactions that do not take place or lead to low yields in solution, even with the commonly used Rh2[S-DOSP]4 catalyst. © 2011 The Royal Society of Chemistry.
Identifiersdoi: 10.1039/C1OB05499F
issn: 1477-0520
e-issn: 1477-0539
Appears in Collections:(ICMA) Artículos
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