4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside

Base Information

• Chemical Name: 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside
• CAS No.: 129163-34-4
• Molecular Formula: C₆₈H₇₀O₁₂
• Molecular Weight: 1079.3
• Mol file: 129163-34-4.mol

Synonyms:4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside

Chemical Property of 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside

There total 6 articles about 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside 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: 67.0%

4-methoxyphenyl 2,3,4-tri-O-benzyl-β-D-galactopyranoside (129163-33-3) + methyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside (97205-08-8,162061-34-9) → 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside (129163-39-9) + 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside (129163-34-4)

Guidance literature:

With tetrabutylammomium bromide; copper(ll) bromide; In 1,2-dichloro-ethane; at 20 ℃;

DOI:10.1016/0008-6215(92)80081-B

Reference yield:

β-D-galactose peracetate (4163-60-4) → 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside (129163-34-4)

Guidance literature:

Multi-step reaction with 5 steps

1: 88 percent / CF₃SO₃SiMe₃ / 1,2-dichloro-ethane / 3 h / 20 °C

2: 93 percent / NaOMe / methanol / 1 h / 20 °C

3: 90 percent / pyridine / 20 °C

4: 1) NaH, 2) p-toluenesulfonic acid / 1) a) DMF, 1 h, 0 deg C, b) 20 deg C, 2 d, 2) CHCl₃, MeOH, 20 deg, 0.5 h

5: 67 percent / CuBr₂, Bu₄NBr, 4A MS / 1,2-dichloro-ethane / 20 °C

With pyridine; trimethylsilyl trifluoromethanesulfonate; tetrabutylammomium bromide; sodium methylate; sodium hydride; toluene-4-sulfonic acid; copper(ll) bromide; In methanol; 1,2-dichloro-ethane;

DOI:10.1016/0008-6215(92)80081-B

Reference yield:

4-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside (2872-65-3,14581-81-8,17042-40-9,84380-06-3,105260-62-6) → 4-methoxyphenyl O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranoside (129163-34-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 93 percent / NaOMe / methanol / 1 h / 20 °C

2: 90 percent / pyridine / 20 °C

3: 1) NaH, 2) p-toluenesulfonic acid / 1) a) DMF, 1 h, 0 deg C, b) 20 deg C, 2 d, 2) CHCl₃, MeOH, 20 deg, 0.5 h

4: 67 percent / CuBr₂, Bu₄NBr, 4A MS / 1,2-dichloro-ethane / 20 °C

With pyridine; tetrabutylammomium bromide; sodium methylate; sodium hydride; toluene-4-sulfonic acid; copper(ll) bromide; In methanol; 1,2-dichloro-ethane;

DOI:10.1016/0008-6215(92)80081-B

upstream raw materials:

4-methoxyphenyl 2,3,4-tri-O-benzyl-β-D-galactopyranoside

methyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside

4-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

4-methoxy-phenol

Downstream raw materials:

O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-β-D-galactopyranosyl fluoride

O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl fluoride

O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-D-galactopyranosyl fluoride