benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

Base Information

Chemical Name:benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside
CAS No.:121686-45-1
Molecular Formula:C₄₃H₅₇NO₂₄
Molecular Weight:971.918
Hs Code.:

Synonyms:benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

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Chemical Property of benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

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Technology Process of benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

There total 5 articles about benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-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: 74.0%

: benzyl 2-acetamido-2-deoxy-6-O-(4-methoxybenzyl)-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

: 121686-45-1
benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

Guidance literature:: With CeN₃O₉^(1-)*H₃N*H⁽¹⁺⁾; In water; acetonitrile; for 3h; Ambient temperature;
DOI:10.1016/0008-6215(88)84071-0

Reference yield:

: 3554-93-6,347411-88-5
benzyl 2-acetamido-2-deoxy-α-D-galactopyranoside

: 121686-45-1
benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: 83 percent / 4-toluenesulfonic acid / dimethylformamide / 4 h / 40 °C

2: 83 percent / Hg(CN)2 / benzene; nitromethane / 18 h / Ambient temperature

3: 60 percent / sodium cyanoborohydride, 3A molecular sieves, trifluoroacetic acid / dimethylformamide / 40 h / Ambient temperature

4: 52 percent / 1,1,3,3-tetramethyl urea, 3A molecular sieves, silver trifluoromethanesulfonate / CH₂Cl₂ / 24 h / Ambient temperature

5: 74 percent / Ce(NH₄)(NO₃)3 / acetonitrile; H₂O / 3 h / Ambient temperature

With CeN₃O₉^(1-)*H₃N*H⁽¹⁺⁾; 3 A molecular sieve; silver trifluoromethanesulfonate; sodium cyanoborohydride; toluene-4-sulfonic acid; trifluoroacetic acid; tetramethylurea; mercury(II) cyanide; In nitromethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; benzene;
DOI:10.1016/0008-6215(88)84071-0

Reference yield:

: 120039-43-2
benzyl 2-acetamido-2-deoxy-4,6-O-(4-methoxybenzylidene)-α-D-galactopyranoside

: 121686-45-1
benzyl 2-acetamido-2-deoxy-3,4-di-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 83 percent / Hg(CN)2 / benzene; nitromethane / 18 h / Ambient temperature

2: 60 percent / sodium cyanoborohydride, 3A molecular sieves, trifluoroacetic acid / dimethylformamide / 40 h / Ambient temperature

3: 52 percent / 1,1,3,3-tetramethyl urea, 3A molecular sieves, silver trifluoromethanesulfonate / CH₂Cl₂ / 24 h / Ambient temperature

4: 74 percent / Ce(NH₄)(NO₃)3 / acetonitrile; H₂O / 3 h / Ambient temperature

With CeN₃O₉^(1-)*H₃N*H⁽¹⁺⁾; 3 A molecular sieve; silver trifluoromethanesulfonate; sodium cyanoborohydride; trifluoroacetic acid; tetramethylurea; mercury(II) cyanide; In nitromethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; benzene;
DOI:10.1016/0008-6215(88)84071-0