methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

Base Information

Chemical Name:methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside
CAS No.:847159-02-8
Molecular Formula:C₄₉H₄₈O₁₅
Molecular Weight:876.911
Hs Code.:

Synonyms:methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

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Chemical Property of methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

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Technology Process of methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

There total 5 articles about methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside 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: 45.0%

: 847159-01-7
methyl 2-O-acetyl-4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

: 847159-02-8
methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

Guidance literature:: With methanol; acetyl chloride; at 0 - 20 ℃; for 24h;
DOI:10.1021/jo0482864

Reference yield:

: 406460-49-9
methyl 2,3-O-methylorthoacetyl-α-L-rhamnopyranoside

: 847159-02-8
methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1.1: NaH / acetonitrile / 1 h

2.1: 2.80 g / acetic acid / H₂O / 0.5 h

3.1: molecular sieves 4 Angstroem / CH₂Cl₂ / 2 h / 20 °C

3.2: 70 percent / NIS; triflic acid / CH₂Cl₂; diethyl ether / 1 h / 0 °C

4.1: 45 percent / acetyl chloride; MeOH / 24 h / 0 - 20 °C

With methanol; 4 A molecular sieve; sodium hydride; acetic acid; acetyl chloride; In dichloromethane; water; acetonitrile;
DOI:10.1021/jo0482864

Reference yield:

: 14917-55-6
methyl 6-deoxy-α-L-mannopyranoside

: 847159-02-8
methyl 4-O-(4-methoxybenzyl)-3-O-(2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl)-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1.1: TsOH*H₂O / acetonitrile / 0.75 h / 20 °C

2.1: NaH / acetonitrile / 1 h

3.1: 2.80 g / acetic acid / H₂O / 0.5 h

4.1: molecular sieves 4 Angstroem / CH₂Cl₂ / 2 h / 20 °C

4.2: 70 percent / NIS; triflic acid / CH₂Cl₂; diethyl ether / 1 h / 0 °C

5.1: 45 percent / acetyl chloride; MeOH / 24 h / 0 - 20 °C

With methanol; 4 A molecular sieve; sodium hydride; toluene-4-sulfonic acid; acetic acid; acetyl chloride; In dichloromethane; water; acetonitrile;
DOI:10.1021/jo0482864