2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

Base Information

Chemical Name:2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose
CAS No.:313360-61-1
Molecular Formula:C₇₅H₈₂O₂₀
Molecular Weight:1303.46
Hs Code.:

Synonyms:2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

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Chemical Property of 2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

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Technology Process of 2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

There total 12 articles about 2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose 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: 67.0%

: 313360-60-0
1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

: 143995-72-6
ethyl 2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranoside

: 313360-61-1
2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

Guidance literature:: With 4 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In diethyl ether; for 5h;
DOI:10.1021/ja001515t

Reference yield:

: 65434-49-3
3-O-benzyl-1,2-O-isopropylidene-α-D-galactofuranose

: 313360-61-1
2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

Guidance literature:: Multi-step reaction with 5 steps

1: 100 percent / pyridine; 4-(dimethylamino)pyridine / 1 h

2: CF₃CO₂H / CHCl₃ / 8 h

3: pyridine / 0.33 h

4: 93 percent / H₂ / Pd(OH)2/C / ethyl acetate / 24 h / 760.05 Torr

5: 67 percent / dimethyl(methylthio)sulfonium trifluoromethanesulfonate; 4 Angstroem sieves / diethyl ether / 5 h

With pyridine; dmap; 4 A molecular sieve; hydrogen; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; trifluoroacetic acid; palladium dihydroxide; In diethyl ether; chloroform; ethyl acetate;
DOI:10.1021/ja001515t

Reference yield:

: Acetic acid (R)-2-acetoxy-1-((2S,3R,4R)-3-benzyloxy-4,5-dihydroxy-tetrahydro-furan-2-yl)-ethyl ester

: 313360-61-1
2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranosyl-(1->3)-1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

Guidance literature:: Multi-step reaction with 3 steps

1: pyridine / 0.33 h

2: 93 percent / H₂ / Pd(OH)2/C / ethyl acetate / 24 h / 760.05 Torr

3: 67 percent / dimethyl(methylthio)sulfonium trifluoromethanesulfonate; 4 Angstroem sieves / diethyl ether / 5 h

With pyridine; 4 A molecular sieve; hydrogen; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; palladium dihydroxide; In diethyl ether; ethyl acetate;
DOI:10.1021/ja001515t