tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

Base Information

Chemical Name:tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate
CAS No.:311797-18-9
Molecular Formula:C₃₃H₄₀O₆S
Molecular Weight:564.743
Hs Code.:

Synonyms:tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

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Chemical Property of tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

Chemical Property:

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Technology Process of tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

There total 6 articles about tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate 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: 56.0%

: 152964-76-6
ethyl 2,3,4-tri-O-benzyl-6-O-chloroacetyl-1-thio-β-D-galactopyranoside

: 75-65-0
tert-butyl alcohol

: 311797-18-9
tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

Guidance literature:: With dipyridinium dichromate; acetic anhydride; In dichloromethane; at 20 ℃; for 6h;
DOI:10.1080/07328300008544125

Reference yield:

: 56245-60-4,686299-00-3
ethyl 1-thio-β-D-galactopyranoside

: 311797-18-9
tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

Guidance literature:: Multi-step reaction with 4 steps

1.1: 82 percent / pyridine / 12 h / 20 °C

2.1: NaH / dimethylformamide / 0.5 h / 0 °C

2.2: 92 percent / dimethylformamide / 3 h

3.1: 85 percent formic acid; H₂O / diethyl ether / 5 h / 20 °C / Heating

4.1: 56 percent / pyridinium dichromate; Ac₂O / CH₂Cl₂ / 6 h / 20 °C

With pyridine; dipyridinium dichromate; formic acid; water; acetic anhydride; sodium hydride; In diethyl ether; dichloromethane; N,N-dimethyl-formamide; 1.1: Alkylation / 2.1: deprotonation / 2.2: Alkylation / 3.1: Hydrolysis / 4.1: Esterification;
DOI:10.1080/07328300008544125

Reference yield:

: 311797-15-6
ethyl 6-O-trityl-1-thio-β-D-galactopyranoside

: 311797-18-9
tert-butyl (ethyl 2,3,4-tri-O-benzyl-1-thio-β-D-galactopyranosid)uronate

Guidance literature:: Multi-step reaction with 3 steps

1.1: NaH / dimethylformamide / 0.5 h / 0 °C

1.2: 92 percent / dimethylformamide / 3 h

2.1: 85 percent formic acid; H₂O / diethyl ether / 5 h / 20 °C / Heating

3.1: 56 percent / pyridinium dichromate; Ac₂O / CH₂Cl₂ / 6 h / 20 °C

With dipyridinium dichromate; formic acid; water; acetic anhydride; sodium hydride; In diethyl ether; dichloromethane; N,N-dimethyl-formamide; 1.1: deprotonation / 1.2: Alkylation / 2.1: Hydrolysis / 3.1: Esterification;
DOI:10.1080/07328300008544125