benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside

Base Information

• Chemical Name: benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside
• CAS No.: 83906-19-8
• Molecular Formula: C₃₄H₄₀O₁₄
• Molecular Weight: 672.683

Synonyms:benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside

Chemical Property of benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside

Chemical Property:

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Technology Process of benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside

There total 5 articles about benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-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: 38.3%

acetic anhydride (108-24-7) + benzyl 4,6-O-benzylidene-3-O-α-L-rhamnopyranosyl-β-D-galactopyranoside (80832-21-9) → benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside (83906-19-8)

Guidance literature:

In pyridine; Ambient temperature;

DOI:10.1016/S0008-6215(00)80773-9

Reference yield: 3.4%

benzyl 2-O-acetyl-4,6-O-benzylidene-β-D-galactopyranoside (20853-38-7,83906-14-3) + 2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl bromide (5158-64-5) → benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside (83906-19-8) + benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-β-L-rhamnopyranosyl)-β-D-galactopyranoside (83906-19-8)

Guidance literature:

With mercury(II) cyanide; In nitromethane; benzene; at 45 ℃; for 1h;

DOI:10.1016/S0008-6215(00)80773-9

Reference yield: 3.4%

benzyl 2-O-acetyl-4,6-O-benzylidene-β-D-galactopyranoside (20853-38-7,83906-14-3) + 2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl bromide (5158-64-5) → benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside (83906-19-8) + benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-(2,3,4-tri-O-acetyl-β-L-rhamnopyranosyl)-β-D-galactopyranoside (83906-19-8)

Guidance literature:

With mercury(II) cyanide; In nitromethane; benzene; at 45 ℃; for 1h;

DOI:10.1016/S0008-6215(00)80773-9

upstream raw materials:

acetic anhydride

benzyl 4,6-O-benzylidene-3-O-α-L-rhamnopyranosyl-β-D-galactopyranoside

benzyl 2-O-acetyl-4,6-O-benzylidene-β-D-galactopyranoside

2,3,4-tri-O-acetyl-α-L-rhamnopyranosyl bromide

Downstream raw materials:

benzyl 2-O-acetyl-4,6-O-benzylidene-3-O-α-L-rhamnopyranosyl-β-D-galactopyranoside

benzyl 2-O-acetyl-3-O-α-L-rhamnopyranosyl-β-D-galactopyranoside

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