2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside

Base Information

• Chemical Name: 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside
• CAS No.: 139244-26-1
• Molecular Formula: C₆₅H₈₄N₄O₂₂Si
• Molecular Weight: 1301.48
• Mol file: 139244-26-1.mol

Synonyms:2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside

Chemical Property of 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside

There total 7 articles about 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-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:

O-ethyl S-[methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosyl)onate] dithiocarbonate (121512-94-5) + 2-(trimethylsilyl)ethyl (2-azido-6-O-benzyl-2-deoxy-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside (139244-25-0) → 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside (139244-26-1) + C65H84N4O22Si

Guidance literature:

With methanesulfonyl bromide; 3 A molecular sieve; silver trifluoromethanesulfonate; diisopropylamine; Yield given. Multistep reaction. Yields of byproduct given; 1.) MeCN, CH₂Cl₂, 2 h, 2.) MeCN, CH₂Cl₂, -78 deg C, 1h;

DOI:10.1021/ja00032a049

Reference yield:

3,4,6-tri-O-acetyl-2-azido-2-deoxy-alpha-D-galactopyranosyl bromide (67673-39-6) → 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside (139244-26-1)

Guidance literature:

Multi-step reaction with 6 steps

4: benzylation

6: 1.) CF₃SO₃Ag, MeSBr, molecular sieves 3A, 2.) iPr₂NH / 1.) MeCN, CH₂Cl₂, 2 h, 2.) MeCN, CH₂Cl₂, -78 deg C, 1h

With methanesulfonyl bromide; 3 A molecular sieve; silver trifluoromethanesulfonate; diisopropylamine;

DOI:10.1021/ja00032a049

Reference yield:

2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-β-D-glucopyranoside (117253-05-1) → 2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-azido-6-O-benzyl-2-deoxy-3-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylate)-β-D-galactopyranosyl>-β-D-glucopyranoside (139244-26-1)

Guidance literature:

Multi-step reaction with 6 steps

4: benzylation

6: 1.) CF₃SO₃Ag, MeSBr, molecular sieves 3A, 2.) iPr₂NH / 1.) MeCN, CH₂Cl₂, 2 h, 2.) MeCN, CH₂Cl₂, -78 deg C, 1h

With methanesulfonyl bromide; 3 A molecular sieve; silver trifluoromethanesulfonate; diisopropylamine;

DOI:10.1021/ja00032a049

upstream raw materials:

O-ethyl S-[methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-α-D-glycero-D-galacto-2-nonulopyranosyl)onate] dithiocarbonate

2-(trimethylsilyl)ethyl (2-azido-6-O-benzyl-2-deoxy-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

3,4,6-tri-O-acetyl-2-azido-2-deoxy-alpha-D-galactopyranosyl bromide

2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-β-D-glucopyranoside

Downstream raw materials:

2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-amino-6-O-benzyl-2-deoxy-3-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyloyl-1''<*>2'-lactam)-β-D-galactopyranosyl>-β-D-glucopyranoside

2-(trimethylsilyl)ethyl 2,3,6-tri-O-benzyl-4-O-<2-amino-6-O-benzyl-2-deoxy-3-O-(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyloyl-1''<*>2'-lactam)-β-D-galactopyranosyl>-β-D-glucopyranoside