phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside

Base Information

• Chemical Name: phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside
• CAS No.: 34361-44-9
• Molecular Formula: C₃₂H₄₀O₁₈
• Molecular Weight: 712.659
• Mol file: 34361-44-9.mol

Synonyms:phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside

Chemical Property of phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside

There total 2 articles about phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 83.0%

1',2',3',6',2,3,4,6-octa-O-acetyl-β-D-lactose (3616-19-1,5328-50-7,5346-90-7,6291-42-5,6920-00-9,20764-63-0,20880-60-8,20880-65-3,22352-19-8,23973-20-8,32447-69-1,34213-32-6,52554-32-2,53956-64-2,56907-29-0,56994-12-8,56994-13-9,57128-38-8,67650-36-6,68036-17-9,68036-19-1,78215-50-6,78215-51-7,79549-48-7,80446-82-8,85249-04-3,93221-83-1,93779-27-2,111407-83-1,111407-84-2,111407-85-3,120328-65-6,123809-59-6,132341-46-9,132341-47-0,132341-49-2,145307-94-4) + phenol (108-95-2,27073-41-2) → phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside (34361-44-9)

Guidance literature:

With 4 A molecular sieve; boron trifluoride diethyl etherate; In dichloromethane;

DOI:10.1016/j.carres.2004.11.017

Reference yield:

LACTOSE (5965-66-2) → phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside (34361-44-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 0.5 h / 130 °C

2: acetic anhydride; toluene-4-sulfonic acid / 1 h / 100 °C

With acetic anhydride; toluene-4-sulfonic acid;

DOI:10.1016/j.carres.2019.04.003

Reference yield:

phenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1→4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside (34361-44-9) → phenyl (β-D-galactopyranosyl)-(1->4)-β-D-glucopyranoside (100678-97-5)

Guidance literature:

With sodium methylate; In methanol; at 20 ℃;

DOI:10.1016/j.carres.2004.11.017

upstream raw materials:

1',2',3',6',2,3,4,6-octa-O-acetyl-β-D-lactose

phenol

LACTOSE

Downstream raw materials:

O-β-D-galactopyranosyl-(1<*>4)-1,6-anhydro-β-D-glucopyranoside

phenyl (β-D-galactopyranosyl)-(1->4)-β-D-glucopyranoside

phenyl 4-O-(6-deoxy-β-D-galactopyranosyl)-β-D-glucopyranoside

(2S,3R,4R,5S,6R)-5-((3aS,4R,6S,7R,7aR)-7-Hydroxy-4-hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-6-hydroxymethyl-2-phenoxy-tetrahydro-pyran-3,4-diol