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Synlett 2006(13): 2109-2113
DOI: 10.1055/s-2006-948189
DOI: 10.1055/s-2006-948189
LETTER
© Georg Thieme Verlag Stuttgart · New York
π-Allylic Azidation in Water with an Amphiphilic Resin-Supported Palladium-Phosphine Complex
Weitere Informationen
Received
20 June 2006
Publikationsdatum:
09. August 2006 (online)
Publikationsverlauf
Publikationsdatum:
09. August 2006 (online)
Abstract
π-Allylic azidation of allyl esters was performed with an amphiphilic polystyrene-poly(ethylene glycol) (PS-PEG) resin-supported phosphine-palladium complex in water under heterogeneous conditions to give allyl azides in good to high yields. The polymeric palladium catalyst can be readily recovered and recycled.
Key words
π-allylpalladium - azide - aqueous media - polymer support - palladium catalyst
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References and Notes
One preliminary example (Table [1] , run 6) has been reported in ref. 7c.