methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

Base Information

Chemical Name:methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside
CAS No.:108672-21-5
Molecular Formula:C₅₆H₆₂O₁₁
Molecular Weight:911.102
Hs Code.:

Synonyms:methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

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Chemical Property of methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

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Technology Process of methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

There total 14 articles about methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-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: 92.0%

: 345320-20-9
Methyl 2,6-di-O-benzyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

: 74-88-4
methyl iodide

: 108672-21-5
methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

Guidance literature:: Methyl 2,6-di-O-benzyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside; With sodium hydride; In N,N-dimethyl-formamide; for 0.5h;

methyl iodide; In N,N-dimethyl-formamide; for 1h; Further stages.;
DOI:10.1039/b009685g

Reference yield: 12.0%

: 53081-30-4
tetra-O-benzyl-α-D-galactosyl bromide

: 108672-11-3
methyl 2,6-di-O-benzyl-3-O-methyl-β-D-galactopyranoside

: 108672-21-5
methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

: 108671-64-3
methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

Guidance literature:: With molecular sieve; tetraethylammonium bromide; In dichloromethane; N,N-dimethyl-formamide; for 96h; Heating;
DOI:10.1016/S0008-6215(00)90292-1

Reference yield:

: 1125-88-8
benzaldehyde dimethyl acetal

: 108672-21-5
methyl 2,6-di-O-benzyl-3-O-methyl-4-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: 80 percent / toluene-p-sulfonic acid / acetonitrile / 16 h / Ambient temperature

2: 30 percent / 1.25M sodium hydroxide, tetrabutylammonium hydrogensulfate / CH₂Cl₂ / 24 h / Heating

3: 90 percent / sodium methylsulfinylmethanide / 4 h / Ambient temperature

4: 78 percent / ethereal hydrogen chloride, sodium cyanoborohydride, molecular sieves / tetrahydrofuran / Ambient temperature

5: 12 percent / silver trifluoromethanesulfonate

With hydrogenchloride; sodium hydroxide; molecular sieve; tetra(n-butyl)ammonium hydrogensulfate; sodium cyanoborohydride; sodium methylsulfinylmethanide; toluene-4-sulfonic acid; silver trifluoromethanesulfonate; In tetrahydrofuran; dichloromethane; acetonitrile;
DOI:10.1016/S0008-6215(00)90292-1