C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
C07H 5/10 (2006.01) C07H 1/00 (2006.01) C07H 13/02 (2006.01) C07H 15/04 (2006.01)
Patent
CA 2399161
The present invention relates to a novel method of chemically preparing functionalised derivatives of .beta.-(1,3)-glucans, enabling obtaining oligosaccharides which are free or which comprise specific groups such as, for example, sulphate, phosphate, methyl, in pre-defined positions. This method includes a reaction between a glycosyl donor of formula (Ia) or (Ib) and a glycosyl acceptor of formula (II), defined in the claims. Application : Preparation of biologically active compounds which can be used in the agricultural, cosmetic or pharmaceutical fields.
La présente invention concerne un nouveau procédé de préparation par voie chimique de dérivés fonctionnalisés de .beta.-(1,3)-glucanes, permettant d'accéder à des oligosaccharides libres ou comportant des groupements spécifiques tels que par exemple sulfate, phosphate, méthyle, en des positions préalablement définies. Ce procédé comporte une réaction entre un donneur de glycosyle de formule (Ia) ou (Ib) et un accepteur de glycosyle de formule (II), définis dans les revendications. Application: Préparation de composés biologiquement actifs utilisables dans le domaine agricole, cosmétique ou pharmaceutique.
Ferrieres Vincent
Jamois Frank
Plusquellec Daniel
Yvin Jean-Claude
Laboratoires Goemar
Sim & Mcburney
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