106238-74-8

Basic information

• Product Name: O-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-D-galactopyranoside
• CAS NO: 106238-74-8
• Molecular Weight: 792.923
• Mol File: 106238-74-8.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: O-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-D-galactopyranoside(CAS DataBase Reference)
• NIST Chemistry Reference: O-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-D-galactopyranoside(106238-74-8)
• EPA Substance Registry System: O-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-D-galactopyranoside(106238-74-8)

Safety Data

• Hazardous Substances Data: 106238-74-8(Hazardous Substances Data)

Upstream product

• 88862-56-0 allyl O-(2,3-di-O-benzoyl-4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-α-D-galactopyranoside 
• 88862-57-1 allyl O-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-α-D-galactopyranoside 
• 61236-87-1 allyl 2,4,6-tri-O-benzyl-α-D-galactopyranoside 
• 107333-59-5 1-propenyl O(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1<*>3)-2,4,6-tri-O-benzyl-α-D-galactopyranoside 

Downstream Products

• 499-16-1 O-β-D-galactopyranosyl-(1->3)-D-galactitol 
• 584-30-5 3-O-β-galactopyranosyl-D-galactose 

Relevant articles and documents

The assembly of oligosaccharides from "standardized intermediates": beta-(1----3)-linked oligomers of D-galactose.

Several 2-O-benzoyl-4,6-di-O-benzyl-3-O-R-alpha-D-galactopyranosyl chlorides, designed as general precursors of beta-linked, interior D-galactopyranosyl residues in oligosaccharides, were tested in a sequential synthesis of the galactotriose beta-D-Galp-(1----3)-beta-D-Galp-(1----3)-D-Gal (19). The chlorides having R = tetrahydro-2-pyranyl and tert-butyldimethylsilyl gave excellent results, whereas those having R = 3-benzoylpropionyl and chloroacetyl were unsatisfactory. An activated disaccharide block (17), having R = 2,3-di-O-benzoyl-4,6-di-O-benzyl-beta-D-galactopyranosyl, was also prepared and tested as a glycosyl donor. The coupling of 17 to 1-propenyl 2-O-benzoyl-4,6-di-O-benzyl-alpha-D-galactopyranoside (14), in the molar ratio 1.13:1, gave 64% of a trisaccharide derivative (18) that could be converted into 19. This latter synthesis of 19 is efficient because all three galactose units are derived from 14 or its immediate precursor.