methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside

Base Information

• Chemical Name: methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside
• CAS No.: 170298-69-8
• Molecular Formula: C₄₈H₅₃NO₂₁
• Molecular Weight: 979.943

Synonyms:methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside

Chemical Property of methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside

Chemical Property:

Purity/Quality:

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Technology Process of methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside

There total 4 articles about methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside 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: 6.0%

methyl 2,3,4-tri-O-benzoyl-β-D-galactopyranoside (53182-61-9) + methyl <5-acetamido-4,7,8,9-tetra-O-acetyl-2-(phenoxycarbonyloxy)-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosyl>onate (170298-66-5) → methyl-2,3-didehydro-4,7,8,9-tetra-O-acetyl-N-acetylneuraminate (73960-72-2) + methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside + methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside (170298-69-8)

Guidance literature:

With silver perchlorate; dimethylsilicon dichloride; In toluene; at -35 ℃; for 3h; Yield given. Yields of byproduct given;

DOI:10.1246/cl.1995.455

Reference yield: 5.0%

methyl 2,3,4-tri-O-benzoyl-β-D-galactopyranoside (53182-61-9) + (1S,2R)-1-((2R,3R,4S,6R)-3-acetamido-4,6-diacetoxy-6-(methoxycarbonyl)tetrahydro-2H-pyran-2-yl)propane-1,2,3-triyl triacetate (108740-39-2,6931-68-6,72690-21-2,73208-82-9,108740-37-0,108740-38-1,119241-63-3,119241-64-4,119241-65-5,147129-72-4,147129-73-5,74006-95-4) → methyl-2,3-didehydro-4,7,8,9-tetra-O-acetyl-N-acetylneuraminate (73960-72-2) + methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside + methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside (170298-69-8)

Guidance literature:

With silver perchlorate; dimethylsilicon dichloride; In toluene; at -28 ℃; for 9h; Yield given. Yields of byproduct given;

DOI:10.1246/cl.1995.455

Reference yield:

methyl 2,3,4-tri-O-benzoyl-β-D-galactopyranoside (53182-61-9) + sialyl xanthate → methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside + methyl 2,3,4-tri-O-benzoyl-6-O--β-D-galactopyranoside (170298-69-8)

Guidance literature:

With N-iodo-succinimide; trifluorormethanesulfonic acid; In acetonitrile; at -50 - 20 ℃; Title compound not separated from byproducts;

DOI:10.1016/S0968-0896(00)00224-8

upstream raw materials:

methyl 2,3,4-tri-O-benzoyl-β-D-galactopyranoside

(1S,2R)-1-((2R,3R,4S,6R)-3-acetamido-4,6-diacetoxy-6-(methoxycarbonyl)tetrahydro-2H-pyran-2-yl)propane-1,2,3-triyl triacetate

methyl <5-acetamido-4,7,8,9-tetra-O-acetyl-2-(phenoxycarbonyloxy)-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosyl>onate

methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosyl)onate

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