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tivity seems to be controlled by the chiral ligand and the
nature of the complex giving in all the cases moderated
enantiomeric excess. The cationic rhodium complex modi-
fied with (R,R)-BDPP was immobilized in MK-10 and
employed in the heterogenized hydroboration/oxidation
reaction of the allyl aryl sulfones showing an efficient
recovery and reuse of the catalytic system without the loss
of activity and selectivity.
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Acknowledgments
The authors want to thank the financial support from the
CICYT of Spain (CTQ2004-04412/BQU) and V.L. thanks
the MEC for a fellowship.
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