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An efficient synthesis of methyl heptaglucoside 2 using poly(ethyleneglycol)monomethyl ether as a polymer support is described. Elongation of the acceptor 11 , anchored via a succinoyl linkage to PEG, with the appropriate glycosyl donors 4–6 and intermittent protective group manipulations gave fully protected heptamer 18 . Deprotection of 18 furnished, after purification as its peracetate, title compound 2 in a good overall yield.
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Verduyn et al. (1993) studied this question.
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