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Asymmetric hydroformylation of vinyl arenes catalyzed by furanoside diphosphinites-Rh(I) complexes

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2005-03-30
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Guimet, Eugeni
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Asymmetric hydroformylation of vinyl arenes catalyzed by furanoside diphosphinites-Rh(I) complexes
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Author
  • Guimet, Eugeni;
  • Parada Aliste, José;
  • Diéguez, Montserrat;
  • Ruiz, Aurora;
  • Claver, Carmen;
Abstract
Diphosphinite ligands 2 and 3, easily prepared from inexpensive D(+)-xylose in few steps, were tested in the Rh-catalyzed asymmetric hydroformylation of several vinyl arenes. High regio-selectivities in branched aldehyde (up to 99%) and moderate enantio-selectivity (up to 63%) were found (20-40 degrees C, 30-60 bar of syn gas). For the first time, the structure in solution of the species formed under hydroformylation conditions with diphosphinite ligands was determined
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URI: https://repositorio.uchile.cl/handle/2250/120408
ISSN: 0926-860X
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APPLIED CATALYSIS A-GENERAL 282 (1-2): 215-220 MAR 30 2005
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