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  • Title: Synthesis of pentasaccharide and heptasaccharide derivatives and their effects on plant growth.
    Author: Liu H, Cheng S, Liu J, Du Y, Bai Z, Du Y.
    Journal: J Agric Food Chem; 2008 Jul 23; 56(14):5634-8. PubMed ID: 18570430.
    Abstract:
    Two oligosaccharide derivatives, beta-D-Glcp-(1-6)-beta-D-Glcp-(1-6)-beta-D-Glcp-(1-6)-beta-D-Glcp-(1-4)-alpha-D-ManpOMe (1) and beta-D-Glcp-(1-6)-beta-D-Glcp-(1-6)-beta-D-Glcp-(1-6)-beta-D-Glcp-(1-6)-beta-D-Glcp-(1-6)-beta-D-Glcp-(1-4)-alpha-D-ManpOMe (2), have been synthesized efficiently using a convergent glycosylation strategy of 2 + 3 and 2 + 5. 1,6-Anhydro-beta-D-glucopyranose, which was prepared from cotton pyrolysis, was applied as a key synthon in the synthesis, significantly simplifying the preparation. The bioassay suggested that these two oligosaccharides can both stimulate the growth of maize cultured in liquid medium at a concentration of 3 ppm.
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