8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Base Information

• Chemical Name: 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside
• CAS No.: 890049-63-5
• Molecular Formula: C₄₆H₇₁N₃O₈
• Molecular Weight: 794.085
• Mol file: 890049-63-5.mol

Synonyms:8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Chemical Property of 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside

There total 4 articles about 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-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:

5-azido-6-[2-(2-{2-[17-(1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-ethoxy}-ethoxy)-ethoxy]-2-hydroxymethyl-tetrahydro-pyran-3,4-diol + benzaldehyde dimethyl acetal (1125-88-8) → 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (890049-63-5)

Guidance literature:

With toluene-4-sulfonic acid; In acetonitrile; at 40 ℃; for 4h;

DOI:10.1016/j.carres.2006.02.013

Reference yield:

8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 3,4,6-tri-O-acetyl-2-azido-2-deoxy-D-galactopyranoside → 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (890049-63-5)

Guidance literature:

Multi-step reaction with 2 steps

1: MeONa / methanol

2: 0.488 g / p-TsOH / acetonitrile / 4 h / 40 °C

With sodium methylate; toluene-4-sulfonic acid; In methanol; acetonitrile;

DOI:10.1016/j.carres.2006.02.013

Reference yield:

3,4,6-tri-O-acetyl-2-azido-2-deoxy-D-galactopyranosyl trichloroacetimidate (167939-15-3) → 8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside (890049-63-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 89 percent / trimethylsilyl trifuoromethanesulfonate / diethyl ether / 30 h / 20 °C

2: MeONa / methanol

3: 0.488 g / p-TsOH / acetonitrile / 4 h / 40 °C

With trimethylsilyl trifluoromethanesulfonate; sodium methylate; toluene-4-sulfonic acid; In methanol; diethyl ether; acetonitrile;

DOI:10.1016/j.carres.2006.02.013

upstream raw materials:

benzaldehyde dimethyl acetal

3,4,6-tri-O-acetyl-2-azido-2-deoxy-D-galactopyranosyl trichloroacetimidate

8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctane-1-ol

Downstream raw materials:

8-(cholest-5-en-3β-yloxy)-3,6-dioxaoctyl 3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-galactopyranoside