1428344-40-4

Upstream product

• 1214-98-8 phenyl 1-thio-α-L-rhamnopyranose 
• 1428344-38-0 C₂₃H₂₄O₄S 
• 940006-59-7 phenyl 3,4-di-O-benzyl-2-O-(2-naphthylmethyl)-1-thio-α-L-rhamnopyranoside 
• 613664-71-4 pent-4-enyl 2,3-di-O-benzyl-6-O-pentafluorobenzoyl-β-D-galactopyranoside 
• 100-39-0 benzyl bromide 

Downstream Products

• 1428344-43-7 benzyl 3,4-di-O-benzyl-2-O-(2-naphthylmethyl)-α-L-rhamnopyranosyl-(1→4)-2,3-di-O-benzyl-6-O-pentafluorobenzoyl-α-D-galactopyranosyl-(1→2)-2,3-di-O-benzyl-α-L-rhamnopyranosyl-(1→4)-2,3-di-O-benzyl-6-O-pentafluorobenzoyl-α-D-galactopyranoside 

Relevant academic research and scientific papers

Synthesis of a backbone hexasaccharide fragment of the pectic polysaccharide rhamnogalacturonan i

Synthesis of the fully unprotected hexasaccharide backbone of the pectic polysaccharide rhamnogalacturonan I is described. The strategy relies on iterative coupling of a common pentenyl disaccharide glycosyl donor followed by a late-stage oxidation of the C-6 positions of the galactose residues. The disaccharide donor is prepared by an efficient chemoselective armed-disarmed coupling of a thiophenyl rhamnoside donor with a pentenyl galactoside acceptor bearing the strongly electron-withdrawing pentafluorobenzoyl ester (PFBz) protective group.