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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Synthesis of methyl alpha- and beta-N-dansyl-D-galactosaminides, probes for the combining sites of N-acetyl-D-galactosamine-specific lectins.

The synthesis of the methyl alpha- and beta-N-dansyl-D-galactosaminides is described using methyl alpha,beta-2-azido-2-deoxy-D-galactopyranoside as starting material. This was reduced to the corresponding methyl alpha,beta-2-amino-2-deoxy-D-galactopyranoside and then treated with dansyl chloride to yield a mixture of methyl alpha,beta-N-dansyl-D-galactosaminides which was separated into individual anomeric forms by flash chromatography on silica gel. Methyl alpha-N-dansyl-D-galactosaminide was used as a fluorescent indicator ligand in continuous substitution titrations to determine the association constants of nonchromophoric carbohydrates with the N-acetyl-D-galactosamine specific lectin from Erythrina corallodendron.[1]

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