benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

Base Information

Chemical Name:benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside
CAS No.:62867-72-5
Molecular Formula:C₂₆H₃₂O₁₁
Molecular Weight:520.533
Hs Code.:

Synonyms:benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

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Chemical Property of benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

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Technology Process of benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

There total 4 articles about benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-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: 81.0%

: 18404-72-3
benzyl 4-O-β-D-galactopyranosyl-β-D-glucopyranoside

: 1125-88-8
benzaldehyde dimethyl acetal

: 62867-72-5
benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

Guidance literature:: With toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at 20 ℃; for 2h;
DOI:10.1016/j.carres.2019.04.003

Reference yield:

: 5965-66-2
LACTOSE

: 62867-72-5
benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 0.5 h / 130 °C

2: boron trifluoride diethyl etherate / dichloromethane / 0 °C / Inert atmosphere

3: sodium methylate / methanol / 4 h / 0 °C

4: toluene-4-sulfonic acid / N,N-dimethyl-formamide / 2 h / 20 °C

With boron trifluoride diethyl etherate; sodium methylate; toluene-4-sulfonic acid; In methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.carres.2019.04.003

Reference yield:

: 3616-19-1,5328-50-7,5346-90-7,6291-42-5,6920-00-9,20764-63-0,20880-60-8,20880-65-3,22352-19-8,23973-20-8,32447-69-1,34213-32-6,52554-32-2,53956-64-2,56907-29-0,56994-12-8,56994-13-9,57128-38-8,67650-36-6,68036-17-9,68036-19-1,78215-50-6,78215-51-7,79549-48-7,80446-82-8,85249-04-3,93221-83-1,93779-27-2,111407-83-1,111407-84-2,111407-85-3,120328-65-6,123809-59-6,132341-46-9,132341-47-0,132341-49-2,145307-94-4
1',2',3',6',2,3,4,6-octa-O-acetyl-β-D-lactose

: 62867-72-5
benzyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranosyl-(1→4)-2,3-di-O-acetyl-β-D-glucopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: boron trifluoride diethyl etherate / dichloromethane / 0 °C / Inert atmosphere

2: sodium methylate / methanol / 4 h / 0 °C

3: toluene-4-sulfonic acid / N,N-dimethyl-formamide / 2 h / 20 °C

With boron trifluoride diethyl etherate; sodium methylate; toluene-4-sulfonic acid; In methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.carres.2019.04.003