1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside

Base Information

• Chemical Name: 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside
• CAS No.: 140186-57-8
• Molecular Formula: C₃₁H₃₆O₁₁
• Molecular Weight: 584.62
• Mol file: 140186-57-8.mol

Synonyms:1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside

Chemical Property of 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside

There total 3 articles about 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-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: 82.0%

2-pyridyl 3,5-di-O-benzoyl-2-deoxy-1-thio-α,β-D-ribofuranoside (145417-01-2) + 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose (4064-06-6) → 1,4-anhydro-2-deoxy-3,5-di-O-benzoyl-D-erythro-pent-1-enitol (55734-51-5) + 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside (140186-57-8)

Guidance literature:

With methyl iodide; In dichloromethane; Yields of byproduct given;

DOI:10.1016/S0040-4020(01)89016-5

Reference yield:

3,5-Di-O-benzoyl-2-desoxy-D-ribose (95041-53-5,95049-04-0,112137-63-0) → 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside (140186-57-8)

Guidance literature:

Multi-step reaction with 2 steps

1: 87 percent / n-Bu₃P / CH₂Cl₂ / 0.5 h / Ambient temperature

2: 82 percent / MeI / CH₂Cl₂

With tributylphosphine; methyl iodide; In dichloromethane;

DOI:10.1016/S0040-4020(01)89016-5

Reference yield:

methyl 3,5-dibenzoyloxy-2-deoxy-β-D-erythropentofuranoside (51785-70-7) → 1,2:3,4-di-O-isopropylidene-5-O-(3,5-di-O-benzoyl-2-deoxy-α-D-ribofuranosyl)-α-D-galactopyranoside (140186-57-8)

Guidance literature:

Multi-step reaction with 3 steps

1: conc. HCl / aq. acetic acid / 1 h / 80 °C

2: 87 percent / n-Bu₃P / CH₂Cl₂ / 0.5 h / Ambient temperature

3: 82 percent / MeI / CH₂Cl₂

With hydrogenchloride; tributylphosphine; methyl iodide; In dichloromethane; acetic acid;

DOI:10.1016/S0040-4020(01)89016-5

upstream raw materials:

2-pyridyl 3,5-di-O-benzoyl-2-deoxy-1-thio-α,β-D-ribofuranoside

1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

3,5-Di-O-benzoyl-2-desoxy-D-ribose

methyl 3,5-dibenzoyloxy-2-deoxy-β-D-erythropentofuranoside