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Title:
PRODUCTION OF GALACTOFURANOSIDES
Document Type and Number:
Japanese Patent JPH08127588
Kind Code:
A
Abstract:

PURPOSE: To stereoselectively and efficiently obtain galactofuranosides which exist in sugar chain part of an enzyme and cell wall lipopolysaccharide of bacteria by reacting a specific thioglycoside derivative with an alcohol derivative in the presence of an activating agent.

CONSTITUTION: A thioglycoside derivative expressed by formula I (R is an alkyl such as methyl or ethyl or an aryl such as phenyl; P is a hydroxyl group- protecting group) such as benzyl is reacted with an alcohol derivative expressed by the formula R1OH (R1 is a cyclic alkyl such as cyclohexyl, 1-O-methyl-2,3,4- tri-O-benzyl-α-D-glucopyranosyl, 1-O-methyl-2,3,6-tri-O-benzyl-α-D-glucopyranosyl, 1,2,3,4-di-O-isopropylidene-α-D-galactopyranosyl, etc.) in the presence of an activating agent (e.g. N-bromosuccinic imide) to simply and stereoselectively provide the objective galactofuranosides expressed by formula II.


Inventors:
SUGIMURA HIDEYUKI
OSUMI KENJI
Application Number:
JP1994000290560
Publication Date:
May 21, 1996
Filing Date:
October 31, 1994
Export Citation:
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Assignee:
NOGUCHI KENKYUSHO
International Classes:
C07H5/10; C07H9/04; C07H15/18; C07H15/203; C07H15/207; (IPC1-7): C07H5/10; C07H9/04; C07H15/18; C07H15/203; C07H15/207