benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

Base Information

Chemical Name:benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside
CAS No.:156632-82-5
Molecular Formula:C₃₃H₄₃NO₁₇
Molecular Weight:725.701
Hs Code.:

Synonyms:benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

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Chemical Property of benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

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Technology Process of benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

There total 5 articles about benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-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: 81.0%

: 869715-06-0
benzyl [3,4,6-tri-O-acetyl-2-deoxy-2-(2',2',2'-trichloroethoxycarbonyl-amino)-β-D-galactopyranosyl]-(1->4)-2,3-di-O-acetyl-6-O-benzyl-β-D-galactopyranoside

: 108-24-7
acetic anhydride

: 156632-82-5
benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

Guidance literature:: benzyl [3,4,6-tri-O-acetyl-2-deoxy-2-(2',2',2'-trichloroethoxycarbonyl-amino)-β-D-galactopyranosyl]-(1->4)-2,3-di-O-acetyl-6-O-benzyl-β-D-galactopyranoside; With acetic anhydride; zinc;

acetic anhydride; With acetic acid; zinc(II) chloride; for 48h;
DOI:10.1016/j.carres.2005.08.001

Reference yield:

: 869715-04-8
benzyl 2,3-di-O-acetyl-6-O-benzyl-β-D-galactopyranoside

: 156632-82-5
benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1.1: 90 percent / N-iodosuccinimide; trifluoromethanesulfonic acid; 4 A MS / CH₂Cl₂ / 2 h / -70 - 20 °C

2.1: Zn; Ac₂O

2.2: 81 percent / AcOH / ZnCl₂ / 48 h

With N-iodo-succinimide; trifluorormethanesulfonic acid; acetic anhydride; zinc; In dichloromethane;
DOI:10.1016/j.carres.2005.08.001

Reference yield:

: 10343-13-2,30657-70-6,31281-76-2,53729-76-3,142696-63-7,83113-54-6
benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

: 156632-82-5
benzyl (3,4,6-tri-O-acetyl-2-deoxy-2-acetamido-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-acetyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1.1: NaOMe / methanol / 2 h

1.2: p-TsOH / acetonitrile / 0.83 h

2.1: 0.50 g / pyridine / 18 h

3.1: 75 percent / NaCN*BH₃; etheral HCl; 4 A MS / tetrahydrofuran / 3 h

4.1: 90 percent / N-iodosuccinimide; trifluoromethanesulfonic acid; 4 A MS / CH₂Cl₂ / 2 h / -70 - 20 °C

5.1: Zn; Ac₂O

5.2: 81 percent / AcOH / ZnCl₂ / 48 h

With pyridine; hydrogenchloride; N-iodo-succinimide; trifluorormethanesulfonic acid; sodium methylate; acetic anhydride; sodium cyanoborohydride; zinc; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1016/j.carres.2005.08.001