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  • Title: Synthesis of heptasaccharide and nonasaccharide analogues of the lentinan repeating unit.
    Author: Yang G, Kong F.
    Journal: Carbohydr Res; 2005 Jan 17; 340(1):39-48. PubMed ID: 15620665.
    Abstract:
    The allyl glycoside beta-D-Glcp-(1-->3)-beta-D-Glcp-(1-->3)-[beta-D-Glcp-(1-->6)]-beta-D-Glcp-(1-->3)-beta-D-Glcp-(1-->3)-[beta-D-Glcp-(1-->6)]-alpha-D-Glcp (18) and the acetonyl glycoside of beta-D-Glcp-(1-->3)-[beta-D-Glcp-(1-->6)]-beta-D-Glcp-(1-->3)-beta-D-Glcp-(1-->3)-[beta-D-Glcp-(1-->6)]-beta-D-Glcp-(1-->3)-beta-D-Glcp-(1-->3)-[beta-D-Glcp-(1-->6)]-alpha-D-Glcp (28) were synthesized as analogues of the lentinan heptaose repeating unit. 4,6-O-Benzylidenated monosaccharide donor 3 and 4,6-O-benzylidenated tetrasaccharide acceptor 14 were used to ensure the beta-linkage in the synthesis of 18, while 4,6-O-benzylidenated disaccharide acceptor 20, and 4,6-O-benzylidenated disaccharide donors 21 and 24 were used to ensure the beta-linkage in the synthesis of 28.
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