Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

Base Information

Chemical Name:Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside
CAS No.:329972-95-4
Molecular Formula:C₄₈H₄₈O₁₈
Molecular Weight:912.898
Hs Code.:

Synonyms:Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

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Chemical Property of Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

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Technology Process of Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

There total 8 articles about Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside 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: 52.0%

: 329972-92-1
Benzyl 2,3,6-tri-O-benzoyl-α-D-altropyranoside

: 3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

: 329972-95-4
Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

Guidance literature:: With 4 A molecular sieve; silver trifluoromethanesulfonate; silver carbonate; In dichloromethane; at 20 - 40 ℃; for 22.5h;
DOI:10.1039/b004653l

Reference yield:

: 613-90-1
benzoyl cyanide

: 329972-95-4
Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 1.87 g / Et₃N / acetonitrile / 0.5 h / 20 °C

2: 52 percent / AgOTf; Ag₂CO₃; molecular sieves 4 Angstroem / CH₂Cl₂ / 22.5 h / 20 - 40 °C

With 4 A molecular sieve; silver trifluoromethanesulfonate; triethylamine; silver carbonate; In dichloromethane; acetonitrile;
DOI:10.1039/b004653l

Reference yield:

: 15548-45-5
(2S,3S,4S,5S,6R)-2-benzyloxy-6-(hydroxymethyl)tetrahydropyran-3,4,5-triol

: 329972-95-4
Benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-α-D-altropyranoside

Guidance literature:: Multi-step reaction with 7 steps

1: 76 percent / Et₃N / acetonitrile / 0.5 h

2: pyridine / CH₂Cl₂ / 1 h / 0 - 20 °C

3: 2.3 g / toluene / 7 h / 60 °C

4: aq. AcOH / 1 h / 60 °C

5: 1.87 g / Et₃N / acetonitrile / 0.5 h / 20 °C

6: 52 percent / AgOTf; Ag₂CO₃; molecular sieves 4 Angstroem / CH₂Cl₂ / 22.5 h / 20 - 40 °C

With pyridine; 4 A molecular sieve; silver trifluoromethanesulfonate; acetic acid; triethylamine; silver carbonate; In dichloromethane; toluene; acetonitrile;
DOI:10.1039/b004653l