2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside

Base Information

• Chemical Name: 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside
• CAS No.: 90214-78-1
• Molecular Formula: C₄₈H₅₇BrO₂₅
• Molecular Weight: 1113.87
• Mol file: 90214-78-1.mol

Synonyms:2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside

Chemical Property of 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside

There total 7 articles about 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-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:

2-bromoethyl 2,3-di-O-benzoyl-6-O-benzyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside (90214-77-0) → 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside (90214-78-1)

Guidance literature:

With hydrogen; palladium on activated charcoal; In acetic acid; for 1.5h; under 760 Torr; Yield given;

DOI:10.1016/0008-6215(84)85102-2

Reference yield:

2-bromoethyl 2,3-di-O-benzoyl-4,6-O-benzylidene-β-D-glucopyranoside (90214-73-6) → 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside (90214-78-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 65 percent / sodium cyanoborohydride, hydrogen chloride, molecular sieves (4 angstroem) / tetrahydrofuran; diethyl ether

2: 11 percent / Ag-trifluoromethanesulfonate, tetramethylurea / CH₂Cl₂ / 5 h / -78 - 20 °C

3: H₂ / Pd/C, / acetic acid / 1.5 h / 760 Torr

With hydrogenchloride; 4 A molecular sieve; hydrogen; silver trifluoromethanesulfonate; sodium cyanoborohydride; tetramethylurea; palladium on activated charcoal; In tetrahydrofuran; diethyl ether; dichloromethane; acetic acid;

DOI:10.1016/0008-6215(84)85102-2

Reference yield:

2-bromoethyl 4,6-O-benzylidene-β-D-glucopyranoside (90214-69-0) → 2-bromoethyl 2,3-di-O-benzoyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside (90214-78-1)

Guidance literature:

Multi-step reaction with 4 steps

1: 82 percent / pyridine / 1 h / 0 °C

2: 65 percent / sodium cyanoborohydride, hydrogen chloride, molecular sieves (4 angstroem) / tetrahydrofuran; diethyl ether

3: 11 percent / Ag-trifluoromethanesulfonate, tetramethylurea / CH₂Cl₂ / 5 h / -78 - 20 °C

4: H₂ / Pd/C, / acetic acid / 1.5 h / 760 Torr

With hydrogenchloride; 4 A molecular sieve; hydrogen; silver trifluoromethanesulfonate; sodium cyanoborohydride; tetramethylurea; palladium on activated charcoal; In tetrahydrofuran; pyridine; diethyl ether; dichloromethane; acetic acid;

DOI:10.1016/0008-6215(84)85102-2

upstream raw materials:

2-bromoethyl 2,3-di-O-benzoyl-6-O-benzyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside

2-bromoethyl 2,3-di-O-benzoyl-4,6-O-benzylidene-β-D-glucopyranoside

2-bromoethyl 4,6-O-benzylidene-β-D-glucopyranoside

2-bromoethyl 2,3-di-O-benzoyl-6-O-benzyl-β-D-glucopyranoside