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Preparation of novel (1-->3)-beta-D-glucans having reducing glucose side chains
1Department of Hygienic Chemistry, Gifu Pharmaceutical University, Japan.
Chemical & Pharmaceutical Bulletin
|April 1, 1997
Abstract:
Novel (1-->3)-beta-D-glucans (GPBCD, GPECD, GP6CD, and GP3CD) having reducing glucose side chains were prepared from a linear (1-->3)-beta-D-glucan (curdlan: CD) with halogeno glucose isopropylidene derivatives in dimethyl sulfoxide containing dimsyl sodium, followed by treatment with 40% trifluoroacetic acid to remove protecting isopropylidene groups. The side chain glucose moiety was linked or directly or through a spacer at various positions except for its anomeric carbon.