Method for preparing functionalized β-(1,3)-glucan derivatives
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United States of America Patent
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Oct 4, 2005
Grant Date -
Mar 6, 2003
app pub date -
Feb 2, 2001
filing date -
Feb 4, 2000
priority date (Note) -
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Abstract
The present invention relates to a novel method of chemically preparing functionalized derivatives of β-(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.
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