5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

Base Information

Chemical Name:5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside
CAS No.:745818-32-0
Molecular Formula:C₂₆H₄₂O₈
Molecular Weight:482.615
Hs Code.:

Synonyms:5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

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Chemical Property of 5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

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Technology Process of 5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

There total 9 articles about 5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside 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: 53.6%

: 1014-93-3
1-(benzyloxy)-5-bromopentane

: 745818-31-9
2,3:5,6-diisopropylidene-4-methoxymethyl-galactitol

: 745818-32-0
5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

Guidance literature:: 2,3:5,6-diisopropylidene-4-methoxymethyl-galactitol; With sodium hydride; In N,N-dimethyl-formamide; at 0 ℃; for 1h;

1-(benzyloxy)-5-bromopentane; In N,N-dimethyl-formamide; at 0 - 80 ℃; for 55h;
DOI:10.1021/jm030464i

Reference yield:

: 111-29-5
1 ,5-pentanediol

: 745818-32-0
5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: 75 percent / Ag₂O / CH₂Cl₂

2.1: 55.2 percent / imidazole; PPh₃; CBr₄ / 0 - 20 °C

3.1: NaH / dimethylformamide / 1 h / 0 °C

3.2: 53.6 percent / dimethylformamide / 55 h / 0 - 80 °C

With 1H-imidazole; carbon tetrabromide; sodium hydride; triphenylphosphine; silver(l) oxide; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm030464i

Reference yield:

: 59-23-4
D-Galactose

: 745818-32-0
5-benzyloxypentyl-2,3:5,6-di-O-isopropylidene-4-methoxymethyl-D-galactoside

Guidance literature:: Multi-step reaction with 6 steps

1.1: 75 percent / conc. HCl / 18 h / 0 - 4 °C

2.1: 58 percent / PTSA / acetone / 2 h

3.1: 79 percent / (iPr)2EtN / CH₂Cl₂ / 6 h / 20 °C

4.1: aq. HgCl₂; CdCO₃ / acetone / 2 h / 50 °C

5.1: 60 percent / NaBH₄ / methanol / 4 h / 0 - 20 °C

6.1: NaH / dimethylformamide / 1 h / 0 °C

6.2: 53.6 percent / dimethylformamide / 55 h / 0 - 80 °C

With hydrogenchloride; sodium tetrahydroborate; cadmium(II) carbonate; sodium hydride; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; mercury dichloride; In methanol; dichloromethane; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jm030464i