2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside

Base Information

• Chemical Name: 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside
• CAS No.: 147906-87-4
• Molecular Formula: C₆₂H₇₇NO₂₇Si
• Molecular Weight: 1296.37
• Mol file: 147906-87-4.mol

Synonyms:2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside

Chemical Property of 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside

There total 3 articles about 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-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: 84.0%

acetic anhydride (108-24-7) + 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2,6-di-O-benzoyl-β-D-glucopyranoside (147906-86-3) → 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside (147906-87-4)

Guidance literature:

With pyridine; Ambient temperature;

DOI:10.1016/0008-6215(92)84038-T

Reference yield:

2-(trimethylsilyl)ethyl 6-O-benzoyl-β-D-galactopyranosyl-(1<*>4)-2,6-di-O-benzoyl-β-D-glucopyranoside (121360-16-5) → 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside (147906-87-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 37.5 percent / molecular sieves 3 A, dimethyl(methylthio)sulfonium triflate / acetonitrile / 24 h / -15 °C

2: 84 percent / pyridine / Ambient temperature

With pyridine; 3 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In acetonitrile;

DOI:10.1016/0008-6215(92)84038-T

Reference yield:

methyl (methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-2-thio-D-manno-2-nonulopyranosid)onate (147906-85-2) → 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-β-D-glucopyranoside (147906-87-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 37.5 percent / molecular sieves 3 A, dimethyl(methylthio)sulfonium triflate / acetonitrile / 24 h / -15 °C

2: 84 percent / pyridine / Ambient temperature

With pyridine; 3 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In acetonitrile;

DOI:10.1016/0008-6215(92)84038-T

upstream raw materials:

acetic anhydride

2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2,6-di-O-benzoyl-β-D-glucopyranoside

2-(trimethylsilyl)ethyl 6-O-benzoyl-β-D-galactopyranosyl-(1<*>4)-2,6-di-O-benzoyl-β-D-glucopyranoside

methyl (methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-2-thio-D-manno-2-nonulopyranosid)onate

Downstream raw materials:

O-(methyl 5-acetamido-7,8,9-tri-O-acetyl-3,4,5-trideoxy-α-D-manno-2-nonulopyranosylonate)-(2->3)-O-(2,4-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-3-O-acetyl-2,6-di-O-benzoyl-α-D-glucopyranosyl trichloroacetimidate