benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside

Base Information

• Chemical Name: benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside
• CAS No.: 131150-15-7
• Molecular Formula: C₂₉H₂₈O₈
• Molecular Weight: 504.537
• Mol file: 131150-15-7.mol

Synonyms:benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside

Chemical Property of benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside

There total 1 articles about benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-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: 81.0%

3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside (26531-92-0) + acetic anhydride (108-24-7) → benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside (131150-15-7)

Guidance literature:

With pyridine;

DOI:10.1016/0008-6215(90)84021-L

Reference yield: 92.0%

benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside (131150-15-7) → benzyl 2-O-acetyl-3-O-benzoyl-β-D-galactopyranoside (131150-16-8)

Guidance literature:

With acetic acid; at 70 ℃;

DOI:10.1016/0008-6215(90)84021-L

Reference yield:

benzyl 2-O-acetyl-3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside (131150-15-7) → benzyl 3,4,6-tri-O-benzoyl-β-D-galactopyranoside 2-(2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl phosphate), triethylammonium salt (131166-78-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 92 percent / aq. 70percent acetic acid / 70 °C

2: 97 percent / pyridine

3: 85 percent / acetyl chloride / methanol / 20 °C

With pyridine; acetic acid; acetyl chloride; In methanol;

DOI:10.1016/0008-6215(90)84021-L

upstream raw materials:

3-O-benzoyl-4,6-O-benzylidene-β-D-galactopyranoside

acetic anhydride

Downstream raw materials:

benzyl 2-O-acetyl-3-O-benzoyl-β-D-galactopyranoside

benzyl 3,4,6-tri-O-benzoyl-β-D-galactopyranoside 2-(2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl phosphate), triethylammonium salt

benzyl 3,4,6-tri-O-benzoyl-β-D-galactopyranoside

benzyl 2-O-acetyl-3,4,6-tri-O-benzoyl-β-D-galactopyranoside