Preparation of oligosaccharide derivatives

Details Preparation of oligosaccharide derivatives Preparation of oligosaccharide derivatives

C - Chemistry, Metallurgy

07

H

C07H 23/00 (2006.01) C07H 15/203 (2006.01) C07H 17/075 (2006.01) C08B 37/00 (2006.01) C12Q 1/40 (2006.01)

Patent

CA 2070449

ABSTRACT PREPARATION OF OLIGOSACCHARIDE DERIVATIVES A process for the direct silylation of the terminal, non-reducing glucose unit of an oligosaccharide containing at least three repeating glucose units and having an aglycone unit at the reducing end thereof, the aglycone being selected from nitrophenyl, 2-chloro-4-nitrophenyl, 4-methylumbeliferone, luciferin and chromogenic phenols, which comprises: (a) forming a solution of the oligosaccharide in a solvent: (b) reacting the oligosaccharide with a silylating protective agent in the presence of a base; and (c) recovering a monosilylated oligosaccharide derivative from the reaction mixture is disclosed.

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