Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid>

Base Information

• Chemical Name: Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid>
• CAS No.: 96031-34-4
• Molecular Formula: C₆₀H₇₁NO₂₂
• Molecular Weight: 1158.22

Synonyms:

Chemical Property of Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid>

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid>

There total 4 articles about Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid> 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:

benzyl 2,3,4-tri-O-benzyl-α-D-glucopyranoside (59935-49-8) → Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid> (96031-34-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 85 percent / molecular sieves 4 Angstroem / Ag₂CO₃/AgClO₄ / toluene; CH₂Cl₂ / 2 h / 20 °C

2: 1.) sodium methoxide; 2.) NiCl₂, NaBH₄; 3.) pyridine / 1.) MeOH, 20 deg C, 6 h; 2.) EtOH, 20 deg C, 1 h; 3.) 8 h, 20 deg C

With pyridine; sodium tetrahydroborate; 4 A molecular sieve; sodium methylate; nickel dichloride; silver perchlorate; silver carbonate; In dichloromethane; toluene;

DOI:10.1016/0008-6215(84)85006-5

Reference yield:

1-Acetyl-2-azido-4,6-di-O-benzoyl-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-O-α-D-galactopyranose (87376-56-5) → Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid> (96031-34-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 97 percent / TiBr₄ / CH₂Cl₂; ethyl acetate / 6 h / 20 °C

2: 85 percent / molecular sieves 4 Angstroem / Ag₂CO₃/AgClO₄ / toluene; CH₂Cl₂ / 2 h / 20 °C

3: 1.) sodium methoxide; 2.) NiCl₂, NaBH₄; 3.) pyridine / 1.) MeOH, 20 deg C, 6 h; 2.) EtOH, 20 deg C, 1 h; 3.) 8 h, 20 deg C

With pyridine; sodium tetrahydroborate; 4 A molecular sieve; sodium methylate; titanium(IV) bromide; nickel dichloride; silver perchlorate; silver carbonate; In dichloromethane; ethyl acetate; toluene;

DOI:10.1016/0008-6215(84)85006-5

Reference yield:

Methyl-2-azido-4,6-di-O-benzoyl-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-galactopyranosid → Benzyl-3)-O-(2-acetamido-4,6-di-O-acetyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid> (96031-34-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 92 percent / H₂SO₄ / 12 h / -20 °C

2: 97 percent / TiBr₄ / CH₂Cl₂; ethyl acetate / 6 h / 20 °C

3: 85 percent / molecular sieves 4 Angstroem / Ag₂CO₃/AgClO₄ / toluene; CH₂Cl₂ / 2 h / 20 °C

4: 1.) sodium methoxide; 2.) NiCl₂, NaBH₄; 3.) pyridine / 1.) MeOH, 20 deg C, 6 h; 2.) EtOH, 20 deg C, 1 h; 3.) 8 h, 20 deg C

With pyridine; sodium tetrahydroborate; 4 A molecular sieve; sulfuric acid; sodium methylate; titanium(IV) bromide; nickel dichloride; silver perchlorate; silver carbonate; In dichloromethane; ethyl acetate; toluene;

DOI:10.1016/0008-6215(84)85006-5

upstream raw materials:

acetic anhydride

Benzyl-3)-O-(2-azido-4,6-di-O-benzoyl-2-desoxy-α-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosid>

benzyl 2,3,4-tri-O-benzyl-α-D-glucopyranoside

1-Acetyl-2-azido-4,6-di-O-benzoyl-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-O-α-D-galactopyranose

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