81713-34-0

Upstream product

• 100-39-0 benzyl bromide 
• 81713-32-8 allyl 3,4-O-isopropylidene-α-D-galactopyranoside 
• 10257-28-0 D-Galactose 
• 104477-35-2 (3aS,4R,6S,7R,7aR)-6-Allyloxy-4-(1-methoxy-1-methyl-ethoxymethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-ol 
• 3646-73-9 α-D-galactopyranose 
• 48149-72-0 (2S,3R,4S,5R,6R)-2-Allyloxy-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol 

Downstream Products

• 37111-91-4 allyl 2,6-di-O-benzyl-α-D-galactopyranoside 
• 149001-83-2 Allyl 2,6-di-O-benzyl-3-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-α-D-galactopyranoside 
• 81713-36-2 allyl 4-O-benzoyl-2,6-di-O-benzyl-3-O-(2-methoxyethoxy)methyl-α-D-galactopyranoside 
• 81713-37-3 allyl 2,4,6-tri-O-benzyl-3-O-(2-methoxyethoxy)methyl-α-D-galactopyranoside 
• 81713-35-1 allyl 2,6-di-O-benzyl-3-O-(2-methoxyethoxy)methyl-α-D-galactopyranoside 
• 61236-87-1 allyl 2,4,6-tri-O-benzyl-α-D-galactopyranoside 
• 607720-98-9 allyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-galactopyranosyl-(1->3)-2,6-di-O-benzyl-α-D-galactopyranoside 

Relevant academic research and scientific papers

Carbohydrate-derived iminium salt organocatalysts for the asymmetric epoxidation of alkenes

A new family of carbohydrate-based dihydroisoquinolinium salts has been prepared and tested for potential as asymmetric catalysts for the epoxidation of unfunctionalized alkene substrates, providing up to 57% ee in the product epoxides.

Synthesis of the blocked pentasaccharide derivative related to the repeating unit of the O-antigen from Shigella dysenteriae type 3 in the form of its allyl glycoside

Starting from D-galactosamine hydrochloride, D-galactose and D-glucose, the tetrasaccharide derivative allyl 2,3,6-tri-O-benzyl-4-O-[methyl (R)-2-propanoate]-β-D-glucopyranosyl-(1→6)-2,3, 4-tri-O-benzyl-α-D-glucopyranosyl-(1→4)-2,6-di-O-benzyl-3-O-(3,4, 6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-galactopyranosyl) -α-D-galactopyranoside has been synthesized via block synthesis strategy, with one of the blocks containing a methyl (R)-2-propanoate group. Manipulation of protecting groups of this tetrasaccharide derivative followed by its reaction with a galactofuranoside donor afforded the desired pentasaccharide derivative in the form of its allyl glycoside related to the reapeating unit of Shigella dysenteriae type 3.

"STANDARDIZED INTERMEDIATES" FOR OLIGOSACCHARIDE SYNTHESIS. PRECURSORS OF D-GALACTOPYRANOSE RESIDUES HAVING CHAIN EXTENSION AT POSITION 3, OR POSITIONS 3 AND 2

A series of 2-O-benzoyl-4,6-di-O-benzyl-α-D-galactopyranosyl halides carrying either a second benzoyl group (8a, 12a) or a selectively removable, temporary protecting group (8b-d, 12b) at position 3 was synthesized from allyl α-D-galactopyranoside (1).The