<2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd

Base Information

Chemical Name:<2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd
CAS No.:78632-97-0
Molecular Formula:C₃₈H₅₂N₂O₁₈
Molecular Weight:824.833
Hs Code.:

<2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd

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Chemical Property of <2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd

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Technology Process of <2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd

There total 17 articles about <2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd 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: 86.0%

: 78632-92-5
5-[2-((4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-ethylcarbamoyl]-pentanoic acid methyl ester

: 3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

: 78632-97-0,78633-04-2
5-{2-[(4aR,6S,7R,8R,8aR)-7-Acetylamino-2-phenyl-8-((2R,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-ethylcarbamoyl}-pentanoic acid methyl ester

Guidance literature:: With mercury(II) cyanide; mercury dibromide; In nitromethane; benzene; at 60 ℃;
DOI:10.1016/S0040-4039(01)90328-4

Reference yield:

: 67817-37-2
3,4,6-tri-O-acetyl-2-azido-2-deoxy-β-D-galactopyranosyl chloride

: 78632-97-0,78633-04-2
<2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-galactopyranosyd

Guidance literature:: Multi-step reaction with 6 steps

1: 1) Ag₂CO₃, CF₃SO₃Ag, molecular sieves / 1) CH₂Cl₂, toluene, 2 h; 2) CH₂Cl₂, toluene, 2 d, room temperature

2: 2.41 g / 60percent acetic acid / H₂O / 0.25 h / 80 °C

3: dicyclohexylcarbodiimid / dimethylformamide / 5 h / 0 °C

4: 1) zinc; 2) sodium / 1) acetic acid, room temperature, 30 min; 2) methanol, room temperature, 1 h

5: zinc chloride / neat (no solvent) / 24 h

6: 1.) Hg(CN)2, HgBr₂ / 1.) nitromethane, benzene, 30 min, 60 deg C; 2.) benzene, 5 h

With molecular sieve; silver trifluoromethanesulfonate; sodium; mercury(II) cyanide; acetic acid; dicyclohexyl-carbodiimide; silver carbonate; mercury dibromide; zinc(II) chloride; zinc; In water; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)82583-5

Reference yield:

: 67817-37-2
3,4,6-tri-O-acetyl-2-azido-2-deoxy-β-D-galactopyranosyl chloride

: 78632-97-0,78633-04-2
<2-(4-Methoxycarbonylbutancarboxamido)ethyl>-2-acetamido-4,6-O-benzyliden-2-desoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyd

Guidance literature:: Multi-step reaction with 6 steps

1: 1) Ag₂CO₃, CF₃SO₃Ag, molecular sieves / 1) CH₂Cl₂, toluene, 2 h; 2) CH₂Cl₂, toluene, 2 d, room temperature

2: 2.41 g / 60percent acetic acid / H₂O / 0.25 h / 80 °C

3: dicyclohexylcarbodiimid / dimethylformamide / 5 h / 0 °C

4: 1) zinc; 2) sodium / 1) acetic acid, room temperature, 30 min; 2) methanol, room temperature, 1 h

5: zinc chloride / neat (no solvent) / 24 h

6: 1) Hg(CN)2, HgBr₂ / 1) nitromethane, benzene, 30 min, 80 deg C; 2) benzene, 6 h, 80 deg C

With molecular sieve; silver trifluoromethanesulfonate; sodium; mercury(II) cyanide; acetic acid; dicyclohexyl-carbodiimide; silver carbonate; mercury dibromide; zinc(II) chloride; zinc; In water; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)82583-5