allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside

Base Information

• Chemical Name: allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside
• CAS No.: 911040-04-5
• Molecular Formula: C₄₅H₄₃ClO₁₄
• Molecular Weight: 843.281
• Mol file: 911040-04-5.mol

Synonyms:allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside

Chemical Property of allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside

There total 4 articles about allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside 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: 45.0%

ethyl 3,4-di-O-benzoyl-2-O-chloroacetyl-1-thio-α-L-rhamnopyranoside (911040-03-4) + allyl 3,4-di-O-benzoyl-α-L-rhamnopyranoside (518975-31-0) → allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside (911040-04-5)

Guidance literature:

With N-iodo-succinimide; trifluorormethanesulfonic acid; 4 A molecular sieve; In dichloromethane; at -30 ℃; for 1.5h;

DOI:10.1016/j.tet.2006.06.084

Reference yield:

ethyl 3,4-di-O-benzoyl-1-thio-α-L-rhamnopyranoside (911040-02-3) → allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside (911040-04-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 56 percent / pyridine / dimethylformamide / 4 h / 20 °C

2: 45 percent / AW-300 4 Angstroem molecular sieves; NIS; TfOH / CH₂Cl₂ / 1.5 h / -30 °C

With pyridine; N-iodo-succinimide; trifluorormethanesulfonic acid; 4 A molecular sieve; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2006.06.084

Reference yield:

benzoyl chloride (98-88-4) → allyl (3,4-di-O-benzoyl-2-O-chloroacetyl-α-L-rhamnopyranosyl)-(1->2)-3,4-di-O-benzoyl-α-L-rhamnopyranoside (911040-04-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 88 percent / pyridine / CH₂Cl₂ / 2.5 h / -30 °C

2: 56 percent / pyridine / dimethylformamide / 4 h / 20 °C

3: 45 percent / AW-300 4 Angstroem molecular sieves; NIS; TfOH / CH₂Cl₂ / 1.5 h / -30 °C

With pyridine; N-iodo-succinimide; trifluorormethanesulfonic acid; 4 A molecular sieve; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2006.06.084

upstream raw materials:

ethyl 3,4-di-O-benzoyl-2-O-chloroacetyl-1-thio-α-L-rhamnopyranoside

allyl 3,4-di-O-benzoyl-α-L-rhamnopyranoside

ethyl 3,4-di-O-benzoyl-1-thio-α-L-rhamnopyranoside

benzoyl chloride