methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Base Information

Chemical Name:methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside
CAS No.:321540-86-7
Molecular Formula:C₂₈H₃₉NO₁₄
Molecular Weight:613.616
Hs Code.:

Synonyms:methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

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Chemical Property of methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

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Technology Process of methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

There total 9 articles about methyl (2,3,4-tri-O-acetyl-6-O-benzyl-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: 76.0%

: 321540-98-1
Acetic acid (2R,3R,4S,5S,6R)-4,5-diacetoxy-2-[(4aR,6S,7R,8R,8aR)-7-acetylamino-6-methoxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy]-6-benzyloxymethyl-tetrahydro-pyran-3-yl ester

: 321540-86-7
methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Guidance literature:: In water; acetic acid; at 60 - 65 ℃; for 1.5h;
DOI:10.1016/S0008-6215(00)00211-1

Reference yield:

: 35526-05-7
6-O-benzyl-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

: 321540-86-7
methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: 75 percent / HCl / dioxane / Heating

2: 76 percent / pyridine / 3 h / 65 - 70 °C

3: 59 percent / BiBr₃; Me₃SiBr / CH₂Cl₂ / 12 h / 20 °C

4: 51 percent / Hg(CN)2; HgBr₂; 4 Angstroem molecular sieves / 1,2-dichloro-ethane / 20 °C

5: 76 percent / acetic acid; H₂O / 1.5 h / 60 - 65 °C

With hydrogenchloride; bismuth(III) bromide; trimethylsilyl bromide; 4 A molecular sieve; mercury(II) cyanide; mercury dibromide; In 1,4-dioxane; pyridine; dichloromethane; water; acetic acid; 1,2-dichloro-ethane;
DOI:10.1016/S0008-6215(00)00211-1

Reference yield:

: 20675-63-2
O⁶-Benzyl-α-D-galactopyranose

: 321540-86-7
methyl (2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl)-(1->3)-2-acetamido-2-deoxy-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 76 percent / pyridine / 3 h / 65 - 70 °C

2: 59 percent / BiBr₃; Me₃SiBr / CH₂Cl₂ / 12 h / 20 °C

3: 51 percent / Hg(CN)2; HgBr₂; 4 Angstroem molecular sieves / 1,2-dichloro-ethane / 20 °C

4: 76 percent / acetic acid; H₂O / 1.5 h / 60 - 65 °C

With bismuth(III) bromide; trimethylsilyl bromide; 4 A molecular sieve; mercury(II) cyanide; mercury dibromide; In pyridine; dichloromethane; water; acetic acid; 1,2-dichloro-ethane;
DOI:10.1016/S0008-6215(00)00211-1