ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

Base Information

Chemical Name:ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside
CAS No.:249920-33-0
Molecular Formula:C₆₈H₇₄O₁₉S
Molecular Weight:1227.39
Hs Code.:

ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

Synonyms:ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

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Chemical Property of ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

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Technology Process of ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

There total 5 articles about ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-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: 67.0%

: 169393-72-0
2,3,4-tri-O-acetyl-6-O-benzyl-α,β-D-galactopyranosyl trichloroacetimidate

: 249920-32-9
ethyl 2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

: 249920-33-0
ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

Guidance literature:: With 4 A molecular sieve; triethylsilyl trifluoromethyl sulfonate; In dichloromethane; at -5 ℃;
DOI:10.1016/S0008-6215(99)00103-2

Reference yield:

: 130515-87-6
2-(trimethylsilyl)ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranoside

: 249920-33-0
ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 97 percent / trifluoroacetic acid / CH₂Cl₂ / 5 h / 20 °C

2: 29 percent / 1,8-diazabicyclo[5.4.0]undec-7-ene / CH₂Cl₂ / 4 h / 0 °C

3: 67 percent / 4 Angstroem molecular sieves; triethylsilyl trifluoromethanesulfonate / CH₂Cl₂ / -5 °C

With 4 A molecular sieve; triethylsilyl trifluoromethyl sulfonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; trifluoroacetic acid; In dichloromethane; 1: Elimination / 2: Addition / 3: Condensation;
DOI:10.1016/S0008-6215(99)00103-2

Reference yield:

: 192706-11-9
2-(trimethylsilyl)ethyl 6-O-benzyl-β-D-galactopyranoside

: 249920-33-0
ethyl 2,3,4-tri-O-acetyl-6-O-benzyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzyl-β-L-rhamnopyranosyl-(1->4)-2,3-di-O-benzoyl-6-O-benzyl-1-thio-β-D-glucopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 100 percent / pyridine / 0 - 20 °C

2: 97 percent / trifluoroacetic acid / CH₂Cl₂ / 5 h / 20 °C

3: 29 percent / 1,8-diazabicyclo[5.4.0]undec-7-ene / CH₂Cl₂ / 4 h / 0 °C

4: 67 percent / 4 Angstroem molecular sieves; triethylsilyl trifluoromethanesulfonate / CH₂Cl₂ / -5 °C

With 4 A molecular sieve; triethylsilyl trifluoromethyl sulfonate; 1,8-diazabicyclo[5.4.0]undec-7-ene; trifluoroacetic acid; In pyridine; dichloromethane; 1: Acetylation / 2: Elimination / 3: Addition / 4: Condensation;
DOI:10.1016/S0008-6215(99)00103-2