allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

Base Information

Chemical Name:allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside
CAS No.:527687-48-5
Molecular Formula:C₄₂H₅₅NO₁₅
Molecular Weight:813.896
Hs Code.:

Synonyms:allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

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Chemical Property of allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

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Technology Process of allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

There total 8 articles about allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-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: 87.0%

: 10364-94-0
1-benzoylimidazole

: 527687-46-3
allyl 4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

: 527687-48-5
allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

Guidance literature:: In chloroform; at 80 ℃; for 48h;
DOI:10.1016/S0008-6215(02)00355-5

Reference yield:

: 54400-75-8
allyl 2-acetamido-2-deoxy-α-D-glucopyranoside

: 527687-48-5
allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1.1: 85 percent / pyridine / CH₂Cl₂ / 3 h / 0 °C

2.1: pyridine; triflic acid anhydride / CH₂Cl₂ / 2 h / -35 - 0 °C

2.2: 45 percent / NaOH / H₂O / Heating

3.1: 45 percent / BF₃*OEt₂; mol. sieves 4 Angstroem / CH₂Cl₂ / -25 °C

4.1: 97 percent / NaOMe / methanol / 3 h / 20 °C

5.1: 75 percent / pTsOH*H₂O / dimethylformamide / 15 h / 20 °C

6.1: 87 percent / CHCl₃ / 48 h / 80 °C

With pyridine; trifluoromethylsulfonic anhydride; 4 A molecular sieve; boron trifluoride diethyl etherate; sodium methylate; toluene-4-sulfonic acid; In methanol; dichloromethane; chloroform; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(02)00355-5

Reference yield:

: 2186-92-7
p-Anisaldehyde dimethyl acetal

: 527687-48-5
allyl 3-O-benzoyl-4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1-> 3)-2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 75 percent / pTsOH*H₂O / dimethylformamide / 15 h / 20 °C

2: 87 percent / CHCl₃ / 48 h / 80 °C

With toluene-4-sulfonic acid; In chloroform; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(02)00355-5