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Recycling of a perfluoroalkylated BINOL ligand using fluorous solid-phase extraction.

By John Fawcett, Eric G. Hope, Alison M. Stuart and Andrew J. West


After the asymmetric addition of allyltri-n-butyltin to benzaldehyde, a perfluoroalkylated BINOL-Sn complex was separated from the organic product using fluorous reverse phase silica gel. The lightly fluorinated ligand was then recovered by hydrolysis of the R[subscript f6]-BINOL-Sn complex with dilute hydrochloric acid and was reused three times without loss of activity or enantioselectivity.Peer-reviewedPublisher Versio

Publisher: Royal Society of Chemistry
Year: 2005
DOI identifier: 10.1039/B418039A
OAI identifier:

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