methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

Base Information

Chemical Name:methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside
CAS No.:257936-76-8
Molecular Formula:C₇₃H₈₇ClO₁₈
Molecular Weight:1287.94
Hs Code.:

methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

Synonyms:methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

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Chemical Property of methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

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Technology Process of methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

There total 7 articles about methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside 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: 82.0%

: 155786-86-0
methyl 2,3,6-tri-O-benzyl-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

: 257936-74-6
phenyl 4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-1-thio-β-D-galactopyranoside

: 257936-76-8
methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

Guidance literature:: With N-iodo-succinimide; trifluorormethanesulfonic acid; In diethyl ether; 1,2-dichloro-ethane; at 20 ℃;
DOI:10.1071/CH99031

Reference yield:

: 1214-98-8
phenyl 1-thio-β-D-fucopyranoside

: 257936-76-8
methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1.1: TsOH*H₂O / 4 h / 20 °C

2.1: 89 percent / 4-dimethylaminopyridine; pyridine / 20 - 100 °C

3.1: aq. TFA / 20 °C

4.1: Bu₂SnO / benzene / Heating

4.2: 1,2-dichloro-ethane / 1 h / 20 °C

5.1: 89 percent / pyridine / CH₂Cl₂ / 20 °C

6.1: 82 percent / N-iodosuccinimide; TfOH / 1,2-dichloro-ethane; diethyl ether / 20 °C

With pyridine; dmap; N-iodo-succinimide; trifluorormethanesulfonic acid; di(n-butyl)tin oxide; toluene-4-sulfonic acid; trifluoroacetic acid; In diethyl ether; dichloromethane; 1,2-dichloro-ethane; benzene; 1.1: cyclocondensation / 2.1: Esterification / 3.1: Ring cleavage / 4.1: Cyclization / 4.2: Ring cleavage / 5.1: Acetylation / 6.1: Substitution;
DOI:10.1071/CH99031

Reference yield:

: 141193-62-6
Phenyl-2,3,4-tri-O-acetyl-6-desoxy-1-thio-β-D-galactopyranosid

: 257936-76-8
methyl O-(4-O-chloroacetyl-6-deoxy-2,3-di-O-pivaloyl-β-D-galactopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

Guidance literature:: Multi-step reaction with 7 steps

1.1: NaOMe / methanol

2.1: TsOH*H₂O / 4 h / 20 °C

3.1: 89 percent / 4-dimethylaminopyridine; pyridine / 20 - 100 °C

4.1: aq. TFA / 20 °C

5.1: Bu₂SnO / benzene / Heating

5.2: 1,2-dichloro-ethane / 1 h / 20 °C

6.1: 89 percent / pyridine / CH₂Cl₂ / 20 °C

7.1: 82 percent / N-iodosuccinimide; TfOH / 1,2-dichloro-ethane; diethyl ether / 20 °C

With pyridine; dmap; N-iodo-succinimide; trifluorormethanesulfonic acid; sodium methylate; di(n-butyl)tin oxide; toluene-4-sulfonic acid; trifluoroacetic acid; In methanol; diethyl ether; dichloromethane; 1,2-dichloro-ethane; benzene; 1.1: Deacetylation / 2.1: cyclocondensation / 3.1: Esterification / 4.1: Ring cleavage / 5.1: Cyclization / 5.2: Ring cleavage / 6.1: Acetylation / 7.1: Substitution;
DOI:10.1071/CH99031