ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Base Information

Chemical Name:ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside
CAS No.:206857-28-5
Molecular Formula:C₃₈H₅₄O₁₀S
Molecular Weight:702.907
Hs Code.:

Synonyms:ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Suppliers and Price of ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

There total 8 articles about ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-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: 82.0%

: 541-16-2
t-butyl malonate

: 206857-27-4
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromobutyl)-1-thio-β-D-galactopyranoside

: 206857-28-5
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Guidance literature:: With potassium tert-butylate; In tetrahydrofuran; N,N-dimethyl-formamide; tert-butyl alcohol; at 50 - 60 ℃;
DOI:10.1016/S0968-0896(01)00015-3

Reference yield:

: 1125-88-8
benzaldehyde dimethyl acetal

: 206857-28-5
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 62 percent / p-toluenesulfonic acid / acetonitrile / 22 °C

2: 59 percent / NaH / dimethylformamide / 22 °C

3: 82 percent / t-BuOK / 2-methyl-propan-2-ol; tetrahydrofuran; dimethylformamide / 50 - 60 °C

With potassium tert-butylate; sodium hydride; toluene-4-sulfonic acid; In tetrahydrofuran; N,N-dimethyl-formamide; acetonitrile; tert-butyl alcohol;
DOI:10.1016/S0968-0896(01)00015-3

Reference yield:

: 172146-95-1
ethyl 3,4-O-isopropylidene-1-thio-β-D-galactopyranoside

: 206857-28-5
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(5,5-di-tert-butyloxycarbonylpentyl)-1-thio-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1: 100 percent / pyridine / 5 h

2: 64 percent / NaH / dimethylformamide / 2 h / 22 °C

3: 78 percent / aq. AcOH / 1.5 h / 60 °C

4: 62 percent / p-toluenesulfonic acid / acetonitrile / 22 °C

5: 59 percent / NaH / dimethylformamide / 22 °C

6: 82 percent / t-BuOK / 2-methyl-propan-2-ol; tetrahydrofuran; dimethylformamide / 50 - 60 °C

With potassium tert-butylate; sodium hydride; toluene-4-sulfonic acid; acetic acid; In tetrahydrofuran; pyridine; N,N-dimethyl-formamide; acetonitrile; tert-butyl alcohol;
DOI:10.1016/S0968-0896(01)00015-3