A new solid-phase synthesis of N-linked glycans featuring 1) highly stereoselective beta-mannosylation and microfluidic alpha-sialylation and 2) efficient glycosylation of the N-phenyltrifluoroacetimidate units on JandaJel resin is reported. Reagent concentration effects by a fluorous solvent are effectively applied, and the use of these methods results in the first synthesis of a sialic acid containing complex-type N-glycan on a solid support.
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http://dx.doi.org/10.1002/asia.200800411 | DOI Listing |
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