2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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.:121377-32-0
Molecular Formula:C₆₄H₇₉NO₂₉Si
Molecular Weight:1354.41
Hs Code.:

2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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

Synonyms:2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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

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Chemical Property of 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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

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Technology Process of 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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 6 articles about 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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: 94.0%

: 108-24-7
acetic anhydride

: 121377-31-9
2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-(6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2,6-di-O-benzoyl-β-D-glucopyranoside

: 121377-32-0
2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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

Guidance literature:: In pyridine; Ambient temperature;
DOI:10.1016/0008-6215(89)84060-1

Reference yield:

: 115969-51-2
2-(trimethylsilyl)ethyl O-(β-D-galactopyranosyl)-(1->4)-β-D-glucopyranoside

: 121377-32-0
2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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

Guidance literature:: Multi-step reaction with 5 steps

1: 1.) MeOH, reflux, 3 h; 2.) benzene, reflux, 3 h

2: 67 percent / pyridine; CH₂Cl₂ / 0.5 h / -50 °C

3: 70 percent / HCO₂H / 10percent PdC / methanol / 2 h / 60 °C

4: 47 percent / 1.) molecular sieves 3 Angstroem; 2.) DMTST / acetonitrile / 1.) RT; 2.) -30 deg C, then -15 deg C, 24 h

5: 94 percent / pyridine / Ambient temperature

With formic acid; 3 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; dipyridinium dichromate; In pyridine; methanol; dichloromethane; acetonitrile;
DOI:10.1016/0008-6215(89)84060-1

Reference yield:

: 121360-15-4
2-(trimethylsilyl)ethyl O-(6-O-benzoyl-3-O-benzyl-β-D-galactopyranosyl)-(1->4)-2,6-di-O-benzoyl-β-D-glucopyranoside

: 121377-32-0
2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-di-deoxy-D-glycero-α-D-galacto-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

Guidance literature:: Multi-step reaction with 3 steps

1: 70 percent / HCO₂H / 10percent PdC / methanol / 2 h / 60 °C

2: 47 percent / 1.) molecular sieves 3 Angstroem; 2.) DMTST / acetonitrile / 1.) RT; 2.) -30 deg C, then -15 deg C, 24 h

3: 94 percent / pyridine / Ambient temperature

With formic acid; 3 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; dipyridinium dichromate; In pyridine; methanol; acetonitrile;
DOI:10.1016/0008-6215(89)84060-1