p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Base Information

Chemical Name:p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside
CAS No.:162792-49-6
Molecular Formula:C₂₀H₃₀N₂O₁₁
Molecular Weight:474.465
Hs Code.:

Synonyms:p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

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Technology Process of p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

There total 8 articles about p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-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: 93.0%

: 59837-14-8,1144040-14-1
p-nitrophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

: 162792-49-6
p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Guidance literature:: With 10% palladium on activated charcoal; hydrogen; In water; for 1h;
DOI:10.1016/j.carres.2011.03.036

Reference yield:

: 1147438-51-4
p-nitrophenyl 3,4,6-tri-O-acetyl-2-azido-2-deoxy-α-D-galactopyranoside

: 162792-49-6
p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 7 steps

1.1: sodium methylate / methanol / 0.5 h / 20 °C / pH 10

1.2: Dowex H+

2.1: toluene-4-sulfonic acid / N,N-dimethyl-formamide; acetonitrile / 1 h / 20 °C

3.1: dichloromethane / 0.33 h / Inert atmosphere; Molecular sieve

3.2: 2 h / -20 °C / Inert atmosphere; Molecular sieve

4.1: water; acetic acid / dichloromethane / 20 °C

5.1: pyridine / 20 °C

6.1: sodium methylate / methanol / 0.5 h

6.2: 1 h

6.3: Dowex H+

7.1: 10% palladium on activated charcoal; hydrogen / water / 1 h

With 10% palladium on activated charcoal; water; hydrogen; sodium methylate; toluene-4-sulfonic acid; acetic acid; In pyridine; methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.carres.2011.03.036

Reference yield:

: 100-02-7,78813-13-5,89830-32-0
4-nitro-phenol

: 162792-49-6
p-aminophenyl β-D-galactopyranosyl-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 8 steps

1.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / -20 °C

2.1: sodium methylate / methanol / 0.5 h / 20 °C / pH 10

2.2: Dowex H+

3.1: toluene-4-sulfonic acid / N,N-dimethyl-formamide; acetonitrile / 1 h / 20 °C

4.1: dichloromethane / 0.33 h / Inert atmosphere; Molecular sieve

4.2: 2 h / -20 °C / Inert atmosphere; Molecular sieve

5.1: water; acetic acid / dichloromethane / 20 °C

6.1: pyridine / 20 °C

7.1: sodium methylate / methanol / 0.5 h

7.2: 1 h

7.3: Dowex H+

8.1: 10% palladium on activated charcoal; hydrogen / water / 1 h

With trimethylsilyl trifluoromethanesulfonate; 10% palladium on activated charcoal; water; hydrogen; sodium methylate; toluene-4-sulfonic acid; acetic acid; In pyridine; methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.carres.2011.03.036