2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside

Base Information

• Chemical Name: 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside
• CAS No.: 876405-35-5
• Molecular Formula: C₄₇H₅₈O₁₂Si
• Molecular Weight: 843.056
• Mol file: 876405-35-5.mol

Synonyms:2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside

Chemical Property of 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside

There total 5 articles about 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside 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: 68.0%

2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-6-O-(4-methoxybenzyl)-β-D-glucopyranoside (876405-34-4) → 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside (876405-35-5)

Guidance literature:

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water; at 25 ℃; for 4h;

Reference yield:

ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-1-thio-α-D-mannopyranoside (521309-20-6) → 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside (876405-35-5)

Guidance literature:

Multi-step reaction with 4 steps

1: 71.4 percent / mercury(II) trifluoroacetate / CH₂Cl₂; H₂O / 12 h / 0 °C

2: 69.2 percent / K₂CO₃ / CH₂Cl₂ / 3 h / 20 °C

3: 69 percent / TESOTf; molecular sieves 4 Angstroem / CH₂Cl₂ / 0.75 h / -35 °C

4: 68 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 4 h / 25 °C

With 4 A molecular sieve; triethylsilyl trifluoromethyl sulfonate; mercury(II) trifluoroacetate; potassium carbonate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water;

Reference yield:

ethyl 2-O-benzyl-4,6-O-benzylidene-1-thio-α-D-mannopyranoside (454664-78-9) → 2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-β-D-glucopyranoside (876405-35-5)

Guidance literature:

Multi-step reaction with 5 steps

1: 93 percent / pyridine

2: 71.4 percent / mercury(II) trifluoroacetate / CH₂Cl₂; H₂O / 12 h / 0 °C

3: 69.2 percent / K₂CO₃ / CH₂Cl₂ / 3 h / 20 °C

4: 69 percent / TESOTf; molecular sieves 4 Angstroem / CH₂Cl₂ / 0.75 h / -35 °C

5: 68 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / CH₂Cl₂; H₂O / 4 h / 25 °C

With pyridine; 4 A molecular sieve; triethylsilyl trifluoromethyl sulfonate; mercury(II) trifluoroacetate; potassium carbonate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; water;

upstream raw materials:

2-(trimethylsilyl)ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzyl-6-O-(4-methoxybenzyl)-β-D-glucopyranoside

ethyl 2-O-benzyl-4,6-O-benzylidene-1-thio-α-D-mannopyranoside

ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-1-thio-α-D-mannopyranoside

ethyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl trichloroacetimidate

Downstream raw materials:

tert-butyl 2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-[2-(trimethylsilyl)ethyl 2,3-di-O-benzyl-β-D-glucopyranosid]uronate

tert-butyl 3-O-acetyl-2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-[2-(trimethylsilyl)ethyl 2,3-di-O-benzyl-β-D-glucopyranosid]uronate