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A New Catalytic Route for the Oxidative Halogenation of Cyclic Enol Ethers using Tungstate Exchanged on Takovite
Author(s) -
Sels B.,
Levecque P.,
Brosius R.,
De Vos D.,
Jacobs P.,
Gammon D. W.,
Kinfe H. H.
Publication year - 2005
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.200404138
Subject(s) - chemistry , tungstate , halogenation , hydrogen peroxide , enol , catalysis , halide , stereoselectivity , sodium tungstate , salt (chemistry) , organic chemistry , combinatorial chemistry , tungsten
Abstract An efficient and benign method for the regio‐ and stereoselective synthesis of halohydrins and β‐halo ethers from dihydropyrans, dihydrofurans and anhydro sugars in the presence of a halide salt and hydrogen peroxide is presented with tungstate‐exchanged takovite as oxidation catalyst.