Details van artikel 195 van 252 gevonden artikelen
Synthesis of Methyl 4-O-(β-D-Galactopyranosyl)-3-O(β-D-Glucopyranosyluronic Acid)-α-L-Rhamnopyranoside
Titel:
Synthesis of Methyl 4-O-(β-D-Galactopyranosyl)-3-O(β-D-Glucopyranosyluronic Acid)-α-L-Rhamnopyranoside
Auteur:
Ray, Asim K. Sarkar, Arun K. Roy, Nirmolendu
Verschenen in:
Journal of carbohydrate chemistry
Paginering:
Jaargang 8 (1989) nr. 3 pagina's 357-364
Jaar:
1989-07-01
Inhoud:
Methyl 4-O-(2,3,4,6-tetra-O-acetyl- β -D-galactopyranosyl)-2,3-O-isopropylidene- α -L-rhamnopyranoside was obtained by condensing methyl 2,3-O-isopropylidene- α -L-rhamnopyranoside with acetobromogalactose. This compound was benzylated, the iso-propylidene group was removed and the product was then partially benzylated to give methyl 2-O-benzyl-4-O-(2,3,4,6-tetra-O-benzyl-β -D-galactopyranosyl)- α -L-rhamnopyranoside. Koenigs Knorr condensation of this compound with methyl (2,3,4-tri-O-acetyl-α -D-glucopyranosyl bromide) uronate gave a trisaccharide derivative which after deprotection gave the title trisaccharide.
Uitgever:
Taylor & Francis
Bronbestand:
Elektronische Wetenschappelijke Tijdschriften
Details van artikel 195 van 252 gevonden artikelen