873070-80-5

Upstream product

• 1152-39-2 p-methylphenyl-1-thio-β-D-galactopyranoside 
• 1125-88-8 benzaldehyde dimethyl acetal 
• 106-45-6 para-thiocresol 
• 4163-60-4 β-D-galactose peracetate 
• 28244-94-2 4-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside 

Downstream Products

• 873070-81-6 p-tolyl-2,3-di-O-benzoyl-4,6-O-benzylidene-1-thio-β-D-galactopyranoside 
• 873070-82-7 p-tolyl-2,3-di-O-benzoyl-4,6-O-[(R)-1-methoxycarbonylethylidene]-1-thio-β-D-galactopyranoside 

Relevant academic research and scientific papers

Sulfonated Lewis X trisaccharide and synthesis method and application thereof

The invention relates to sulfonated Lewis X trisaccharide having the following structural formula as described in the description, wherein R1 is selected from a hydrogen atom, an alpha- or beta-configuration serine residue, an alpha- or beta-configuration

Total Synthesis of Nucleoside Antibiotics Plicacetin and Streptcytosine A

Disaccharide nucleoside antibiotics plicacetin and streptcytosine A (also named rocheicoside A) were effectively synthesized through the common precursor cytosamine. The amosamine and amicetose moieties were efficiently assembled through an α-selective O-

FeCl3 mediated arylidenation of carbohydrates

Glycosides and thioglycosides based on monosaccharides in reaction with benzaldehyde dimethylacetal or p-methoxybenzaldehyde dimethyl acetal undergo FeCl3-catalyzed (20 mol %) regioselective 4,6-O-arylidenation producing the corresponding acetals in high yields. FeCl3 also mediates acetalation of glycosides and thioglycosides of cellobiose, maltose, and lactose affording the corresponding 4′,6′-O-benzylidene acetals, which were isolated after their acetylation in situ with acetic anhydride and pyridine. The combined yields (two steps) of these final products are also high (61-84%). The procedure is applicable to a wide variety of functional groups including -OBn.

Synthesis of (R)-4,6-O-pyruvated trisaccharide related to the repeating unit of the antigen from Shigella dysenteriae type 9 in the form of its 2-(trimethylsilyl)ethyl glycoside

Starting from D-galactose, and D-mannose a trisaccharide namely 2-(trimethylsilyl)ethyl-2,3-di-O-benzoyl-4,6-O-[(R)-1-methoxycarbonylethylidene] -β-D-galactopyranosyl-(1→4)-2, 3, 6-tri-O-benzyl-β-D- mannopyranosyl-(1→4)-2,6-di-O-benzyl-3-O-(4-methoxybenzy