pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Base Information

• Chemical Name: pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside
• CAS No.: 613664-55-4
• Molecular Formula: C₅₆H₆₄O₁₃
• Molecular Weight: 945.116
• Mol file: 613664-55-4.mol

Synonyms:pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Chemical Property of pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

There total 4 articles about pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-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: 55.0%

6-O-acetyl-2,3,4-tri-O-benzyl-D-galactopyranosyl fluoride (129785-46-2) + pent-4-enyl 6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside (613664-61-2) → pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside (613664-55-4)

Guidance literature:

With 4 A molecular sieve; silver perchlorate; tin(ll) chloride; In dichloromethane; at -30 ℃;

DOI:10.1002/chem.200204636

Reference yield: 40.0%

6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl bromide (61236-82-6) + pent-4-enyl 6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside (613664-61-2) → pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside (613664-55-4)

Guidance literature:

With 4 A molecular sieve; silver trifluoromethanesulfonate; In dichloromethane; at -50 ℃;

DOI:10.1002/chem.200204636

Reference yield:

Pent-4-enyl 2,3-di-O-benzyl-β-D-galactopyranoside (344550-95-4) → pent-4-enyl 6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside (613664-55-4)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N / CH₂Cl₂ / 0 °C

2: 40 percent / AgOTf; 4 Angstroem molecular sieves / CH₂Cl₂ / -50 °C

With 4 A molecular sieve; silver trifluoromethanesulfonate; triethylamine; In dichloromethane;

DOI:10.1002/chem.200204636

upstream raw materials:

6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl bromide

pent-4-enyl 6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

6-O-acetyl-2,3,4-tri-O-benzyl-D-galactopyranosyl fluoride

Pent-4-enyl 2,3-di-O-benzyl-β-D-galactopyranoside