allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Base Information

Chemical Name:allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside
CAS No.:128745-63-1
Molecular Formula:C₆₉H₇₈O₁₉
Molecular Weight:1211.37
Hs Code.:

allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Synonyms:allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

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Chemical Property of allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

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Technology Process of allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

There total 8 articles about allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-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: 87.7%

: 113765-33-6
allyl O-(2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

: 75-36-5
acetyl chloride

: 128745-63-1
allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

: C₇₁H₈₀O₂₀

Guidance literature:: In pyridine; at 0 ℃; for 1h; Yields of byproduct given;
DOI:10.1016/0008-6215(89)85010-4

Reference yield:

: 113784-08-0
2,3-di-O-benzyl-4,6-O-isopropylidene-β-D-galactopyranosyl fluoride

: 128745-63-1
allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: 74.1 percent / SnCl₂, AgClO₄, molecular sieves 4A / diethyl ether; toluene / 20 h / -15 deg C to rt

2: 89.8 percent / pyridine / 1.5 h / 0 °C

3: 170 mg / SnCl₂, AgClO₄, molecular sieves 4A / diethyl ether; toluene / 6 h / -15 - -5 °C

4: 138 mg / 80 percent aq. AcOH / 0.5 h / 60 °C

5: 87.7 percent / pyridine / 1 h / 0 °C

With 4 A molecular sieve; silver perchlorate; acetic acid; tin(ll) chloride; In pyridine; diethyl ether; toluene;
DOI:10.1016/0008-6215(89)85010-4

Reference yield:

: 117780-23-1
2,3-di-O-benzyl-4,6-O-isopropylidene-D-galactopyranose

: 128745-63-1
allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1: 37.8 percent / diethylaminosulfur trifluoride / tetrahydrofuran / 0.5 h / Ambient temperature

2: 74.1 percent / SnCl₂, AgClO₄, molecular sieves 4A / diethyl ether; toluene / 20 h / -15 deg C to rt

3: 89.8 percent / pyridine / 1.5 h / 0 °C

4: 170 mg / SnCl₂, AgClO₄, molecular sieves 4A / diethyl ether; toluene / 6 h / -15 - -5 °C

5: 138 mg / 80 percent aq. AcOH / 0.5 h / 60 °C

6: 87.7 percent / pyridine / 1 h / 0 °C

With diethylamino-sulfur trifluoride; 4 A molecular sieve; silver perchlorate; acetic acid; tin(ll) chloride; In tetrahydrofuran; pyridine; diethyl ether; toluene;
DOI:10.1016/0008-6215(89)85010-4