methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

Base Information

Chemical Name:methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside
CAS No.:262301-24-6
Molecular Formula:C₄₅H₅₀O₁₂S
Molecular Weight:814.951
Hs Code.:

Synonyms:methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

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Chemical Property of methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

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Technology Process of methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

There total 4 articles about methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-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: 63.0%

: 262301-23-5
methyl 2,3-di-O-acetyl-6-O-benzyl-4-thio-α-D-glucopyranoside

: S-phenyl 2,3-O-benzyl-4,6-O-benzylidene-1-deoxy-1-thia-α-D-mannopyranoside S-oxide

: 262301-24-6
methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

Guidance literature:: With 2,6-di-tert-butyl-4-methylpyridine; trifluoromethylsulfonic anhydride; In dichloromethane; at -78 - 0 ℃; for 2.5h;
DOI:10.1021/jo9914667

Reference yield:

: methyl 2,3-di-O-acetyl-6-O-benzyl-α-D-galactopyranoside

: 262301-24-6
methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / I₂; PPh₃; imidazole / tetrahydrofuran

2: 66 percent / dimethylformamide / 2 h / 90 °C

3: 65 percent / N₂H₄*H₂O; CH₃CO₂H / dimethylformamide / 0.33 h

4: 63 percent / DTBMP; Tf₂O / CH₂Cl₂ / 2.5 h / -78 - 0 °C

With 1H-imidazole; 2,6-di-tert-butyl-4-methylpyridine; trifluoromethylsulfonic anhydride; iodine; hydrazine hydrate; acetic acid; triphenylphosphine; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; 1: Iodination / 2: Acetylation / 3: Deacetylation / 4: Substitution;
DOI:10.1021/jo9914667

Reference yield:

: 262301-21-3
methyl 2,3-di-O-acetyl-6-O-benzyl-4-iodo-α-D-galactopyranoside

: 262301-24-6
methyl 2,3-di-O-acetyl-6-O-benzyl-4-S-(2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-4-thio-α-D-glucopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 66 percent / dimethylformamide / 2 h / 90 °C

2: 65 percent / N₂H₄*H₂O; CH₃CO₂H / dimethylformamide / 0.33 h

3: 63 percent / DTBMP; Tf₂O / CH₂Cl₂ / 2.5 h / -78 - 0 °C

With 2,6-di-tert-butyl-4-methylpyridine; trifluoromethylsulfonic anhydride; hydrazine hydrate; acetic acid; In dichloromethane; N,N-dimethyl-formamide; 1: Acetylation / 2: Deacetylation / 3: Substitution;
DOI:10.1021/jo9914667