p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Base Information

• Chemical Name: p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside
• CAS No.: 1410786-14-9
• Molecular Formula: C₃₅H₃₆N₆O₁₁
• Molecular Weight: 716.704

Synonyms:p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Chemical Property of p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

There total 6 articles about p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-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: 78.0%

p-methylphenyl 3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-1-thio-β-D-galactopyranoside (1410786-12-7) + 4-methoxyphenyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (165397-91-1,1340541-47-0) → p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (1410786-14-9) + p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-β-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Guidance literature:

With N-iodo-succinimide; perchloric acid adsorbed on silica gel; In diethyl ether; dichloromethane; at -18 ℃; for 1h; diastereoselective reaction; Inert atmosphere; Molecular sieve;

DOI:10.1016/j.tetasy.2012.08.006

Reference yield:

1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-D-galactopyranose (84278-00-2) → p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (1410786-14-9) + p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-β-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Guidance literature:

Multi-step reaction with 5 steps

1: boron trifluoride diethyl etherate / dichloromethane / 24 h / 0 - 20 °C

2: sodium methylate / methanol / 4 h / 20 °C

3: toluene-4-sulfonic acid / 24 h / 20 °C

4: pyridine / 2 h / 20 °C

5: N-iodo-succinimide; perchloric acid adsorbed on silica gel / diethyl ether; dichloromethane / 1 h / -18 °C / Inert atmosphere; Molecular sieve

With pyridine; N-iodo-succinimide; perchloric acid adsorbed on silica gel; boron trifluoride diethyl etherate; sodium methylate; toluene-4-sulfonic acid; In methanol; diethyl ether; dichloromethane;

DOI:10.1016/j.tetasy.2012.08.006

Reference yield:

benzaldehyde dimethyl acetal (1125-88-8) → p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (1410786-14-9) + p-methoxyphenyl (3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-β-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Guidance literature:

Multi-step reaction with 3 steps

1: toluene-4-sulfonic acid / 24 h / 20 °C

2: pyridine / 2 h / 20 °C

3: N-iodo-succinimide; perchloric acid adsorbed on silica gel / diethyl ether; dichloromethane / 1 h / -18 °C / Inert atmosphere; Molecular sieve

With pyridine; N-iodo-succinimide; perchloric acid adsorbed on silica gel; toluene-4-sulfonic acid; In diethyl ether; dichloromethane;

DOI:10.1016/j.tetasy.2012.08.006

upstream raw materials:

1,3,4,6-tetra-O-acetyl-2-azido-2-deoxy-D-galactopyranose

benzaldehyde dimethyl acetal

p-methylphenyl 3-O-acetyl-2-azido-4,6-O-benzylidene-2-deoxy-1-thio-β-D-galactopyranoside

4-methoxyphenyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Downstream raw materials:

p-methoxyphenyl (2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

p-methoxyphenyl (2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-β-D-galactopyranosyl)-(1→3)-(2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

p-methoxyphenyl (3-O-benzyl-4,6-O-benzylidene-β-D-galactopyranosyl)-(1→3)-(2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranosyl)-(1→3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

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