O-(2,3,4-tri-O-acetylfucopyranosy)-(1--3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxyglucopyranosyl)-(1--3)-2,4,6-tri-O-acetylgalactopyranosyl bromide

Base Information

• Chemical Name: O-(2,3,4-tri-O-acetylfucopyranosy)-(1--3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxyglucopyranosyl)-(1--3)-2,4,6-tri-O-acetylgalactopyranosyl bromide
• CAS No.: 115921-25-0
• Molecular Formula: C₃₆H₅₀BrNO₂₂
• Molecular Weight: 928.69
• Mol file: 115921-25-0.mol

Synonyms:O-(2,3,4-tri-O-acetylfucopyranosy)-(1--3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxyglucopyranosyl)-(1--3)-2,4,6-tri-O-acetylgalactopyranosyl bromide

Chemical Property of O-(2,3,4-tri-O-acetylfucopyranosy)-(1--3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxyglucopyranosyl)-(1--3)-2,4,6-tri-O-acetylgalactopyranosyl bromide

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 961.8°Cat760mmHg
• PKA: 13?+-.0.70(Predicted)
• Flash Point: 535.5°C
• PSA: 322.14000
• Density: 1.52g/cm³
• LogP: -0.51380

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of O-(2,3,4-tri-O-acetylfucopyranosy)-(1--3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxyglucopyranosyl)-(1--3)-2,4,6-tri-O-acetylgalactopyranosyl bromide

There total 2 articles about O-(2,3,4-tri-O-acetylfucopyranosy)-(1--3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxyglucopyranosyl)-(1--3)-2,4,6-tri-O-acetylgalactopyranosyl bromide 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: 97.0%

O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-1,2,4,6-tetra-O-acetyl-D-galactopyranose (115921-24-9,115944-99-5) → O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-acetyl-α-D-galactopyranosyl bromide (115921-25-0)

Guidance literature:

With hydrogen bromide; In acetic anhydride; acetic acid; 1.) 0 deg C, 2 h; 2.) 3 h, RT;

DOI:10.1016/S0008-6215(00)90826-7

Reference yield:

methyl O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-acetyl-β-D-galactopyranoside (115944-98-4) → O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-acetyl-α-D-galactopyranosyl bromide (115921-25-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 79 percent / 0.9 percent (v/v) cc. H₂SO₄ / 6 h / Ambient temperature

2: 97 percent / 31 percent HBr / acetic anhydride; acetic acid / 1.) 0 deg C, 2 h; 2.) 3 h, RT

With sulfuric acid; hydrogen bromide; In acetic anhydride; acetic acid;

DOI:10.1016/S0008-6215(00)90826-7

Reference yield:

O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-acetyl-α-D-galactopyranosyl bromide (115921-25-0) → 4-nitrophenyl O-α-L-fucopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-β-D-glucopyranoside (119927-47-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.)mercury(II) cyanide; 2.) acetic acid / 1.) -35 deg. C, 24 h, benzene, nitromethane; 2.) 50 deg. C, 1 h, water

2: 81 percent / sodium methoxide / methanol / 24 h / Ambient temperature

With sodium methylate; mercury(II) cyanide; acetic acid; In methanol;

DOI:10.1016/0008-6215(88)84041-2

upstream raw materials:

O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-1,2,4,6-tetra-O-acetyl-D-galactopyranose

methyl O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-acetyl-β-D-galactopyranoside

Downstream raw materials:

4-nitrophenyl O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

4-nitrophenyl O-(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)-O-(2-acetamido-4,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-(2,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-β-D-glucopyranoside

4-nitrophenyl O-α-L-fucopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-β-D-glucopyranoside

4-nitrophenyl O-α-L-fucopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Refernces