These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: Preparation of orthogonally protected chitosan oligosaccharides: observation of an anomalous remote substituent effect.
    Author: Liew ST, Wei A.
    Journal: Carbohydr Res; 2002 Aug 16; 337(14):1319-24. PubMed ID: 12151213.
    Abstract:
    Orthogonally protected chitosan tetrasaccharides were synthesized in a convergent fashion by trichloroacetimidate activation. The anomeric substituent at the reducing end of the disaccharide acceptor has a remarkably strong influence on glycosidic coupling; a thiophenyl-substituted disaccharide was observed to be an unusually poor glycosyl acceptor in comparison with the corresponding allyloxy-substituted disaccharide.
    [Abstract] [Full Text] [Related] [New Search]