C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/16 (2006.01)
Patent
CA 2543726
The invention relates to a method for the regioselective oxidation of a cyclodextrin. The inventive method is characterised in that an .alpha.-, .beta.-, .gamma.-cyclodextrin is brought into contact with an oxidation mediator which preferably takes the form of a stoichiometric or catalytic quantity of an oxoammonium ion and, in the latter case, in the presence of a parallel redox system which enables the in situ regeneration of the used oxidation mediator. The invention also relates to a device which is used to implement said method.
L~invention a pour objet un procédé d~oxydation régiosélective d~une cyclodextrine caractérisé en ce que l~on met en contact une .alpha., .beta., .gamma. - cyclodextrines avec un médiateur d~oxydation qui est de préférence un ion oxoammonium en quantité stoechiométrique ou en quantité catalytique, et dans ce dernier cas, en présence d~un système redox parallèle permettant la régénération in situ du médiateur d~oxydation consommé. L~invention a encore pour objet un dispositif de mise en .oelig.uvre de ce procédé.
Belgsir El Mustapha
Breton Tony
Liaigre Denis
Centre National de La Recherche Scientifique-Cnrs
Smart & Biggar
Universite de Poitiers
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