Advanced Synthesis and Catalysis p. 534 - 540 (1997)
Update date:2022-08-02
Topics:
Ziegler, Thomas
Eckhardt, Elisabeth
Two pyruvated galactosyl donors, 2,3-di-O-benzoyl-4,6-0-[1-(R)-methoxycarbonyl(ethylidene)]-α-D- galactopyranosyl chloride (6) and trichloroacetimidate 13, were coupled to position 3 of suitably protected mono and disaccharide benzyl glucoside acceptors. For both donors, an unusual high content of the α-(1→3)-linked products was obtained. The corresponding β-(1→3)-linked di- and trisaccharides are related to exopolysaccharides of Rhizobium leguminosarum.
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