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5-(α-D-Galactopyranosyl-oxy) pentanoic acid
6-tri-O-2-deoxy-acetyl-β-D-glucopyranosyl)-L-asparagine
or enzymatic studies rather than a chain-extendable SPPS building block
2-Azidoethyl N-acetyl-α-D-galactosaminide
GA121000: Fmoc-Ser(GalNAc(Ac)3-α-D)-OH Pack Size:500 mg 5-(α-D-Galactopyranosyl-oxy) pentanoic acidC32H36N2O13 656. 63 An Fmoc protected L serine building block carrying an D GalNAc residue, designed for solid phase peptide synthesis (SPPS) of glycopeptides. The N Fmoc group is removed under standard base conditions (piperidine) during chain elongation, while the free carboxylic acid is available for coupling to the growing resin bound peptide. The sugar hydroxyl groups are protected as three acetate esters (Ac3), which keep the glycan inert during
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