Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

Base Information

Chemical Name:Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside
CAS No.:344550-91-0
Molecular Formula:C₃₉H₄₄O₇
Molecular Weight:624.774
Hs Code.:

Synonyms:Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

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Chemical Property of Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

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Technology Process of Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

There total 8 articles about Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-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: 73.0%

: 150-76-5
4-methoxy-phenol

: 344550-89-6
Pent-4-enyl 2,3,4,-tri-O-benzyl-β-D-galactopyranoside

: 344550-91-0
Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

Guidance literature:: With triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; at 20 ℃; for 48h;
DOI:10.1039/b006981g

Reference yield:

: 821-09-0
n-Pent-4-enyl alcohol

: 344550-91-0
Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1.1: BF₃*Et₂O / CH₂Cl₂ / 10 h / 20 °C

2.1: 12.5 g / NaOMe; MeOH / 2 h

3.1: 87 percent / pyridine / 3 h / 90 °C

4.1: NaH / dimethylformamide / 0.5 h / 20 °C

4.2: Bu₄NI / dimethylformamide / 20 °C

5.1: 14.5 g / aq. H₂SO₄ / methanol / 1 h / 20 °C

6.1: 73 percent / PPh₃; DEAD / tetrahydrofuran / 48 h / 20 °C

With pyridine; methanol; sulfuric acid; boron trifluoride diethyl etherate; sodium methylate; sodium hydride; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1039/b006981g

Reference yield:

: 100-39-0
benzyl bromide

: 344550-91-0
Pent-4-enyl 2,3,4-tri-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: NaH / dimethylformamide / 0.5 h / 20 °C

1.2: Bu₄NI / dimethylformamide / 20 °C

2.1: 14.5 g / aq. H₂SO₄ / methanol / 1 h / 20 °C

3.1: 73 percent / PPh₃; DEAD / tetrahydrofuran / 48 h / 20 °C

With sulfuric acid; sodium hydride; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;
DOI:10.1039/b006981g