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Simple and efficient heterogeneous copper catalysts for enantioselective C−H carbene insertion

AuthorsFraile, José M. ; García, José I. ; Mayoral, José A. ; Roldán, Marta
Issue Date27-Jan-2007
PublisherAmerican Chemical Society
CitationOrg. Lett. 9(4): 731-733 (2007)
AbstractImmobilized box−Cu complexes are able to efficiently catalyze the insertion of a carbene, from methyl phenyldiazoacetate, into C−H bonds of THF, with high enantioselectivity (up to 88% ee). The immobilization not only allows recovery and reuse of the enantioselective catalyst but also provides an improvement in the selectivities from the values obtained in solution, probably due to a confinement effect of the bidimensional support.
Description3 pages, 2 tables, 1 scheme.
Publisher version (URL)http://dx.doi.org/10.1021/ol070092y
Appears in Collections:(ICMA) Artículos
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