C₃₁H₃₂O₁₅

Base Information

• Chemical Name: C₃₁H₃₂O₁₅
• CAS No.: 13020-20-7
• Molecular Formula: C₃₁H₃₂O₁₅
• Molecular Weight: 644.586
• Mol file: 13020-20-7.mol

Synonyms:C₃₁H₃₂O₁₅

Chemical Property of C₃₁H₃₂O₁₅

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of C₃₁H₃₂O₁₅

There total 11 articles about C₃₁H₃₂O₁₅ 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: 35.0%

salvigenin (6601-62-3) + 2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide (572-09-8) → C31H32O15 (13020-20-7)

Guidance literature:

With N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide; In chloroform; water; at 60 ℃; for 4h;

DOI:10.1016/j.tetlet.2011.11.034

Reference yield:

2-(4-benzyloxy-phenyl)-5,6,7-trimethoxy-chromen-4-one (53002-40-7) → C31H32O15 (13020-20-7)

Guidance literature:

Multi-step reaction with 3 steps

1.1: boron tribromide / dichloromethane / 1.5 h / 0 °C / Inert atmosphere

1.2: 0.5 h / 20 °C / Inert atmosphere

2.1: palladium on activated charcoal; hydrogen / tetrahydrofuran; methanol / 1.5 h / 20 °C

3.1: N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide / chloroform; water / 4 h / 60 °C

With palladium on activated charcoal; N-benzyl-N,N,N-triethylammonium chloride; hydrogen; boron tribromide; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane; chloroform; water;

DOI:10.1016/j.tetlet.2011.11.034

Reference yield:

p-(benzyloxy)benzoic acid (1486-51-7) → C31H32O15 (13020-20-7)

Guidance literature:

Multi-step reaction with 7 steps

1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 2 h / 0 °C

2.1: pyridine / 15 h / 20 °C / Inert atmosphere

3.1: pyridine; potassium hydroxide / 3 h / 70 °C

3.2: Cooling with ice

4.1: sulfuric acid; acetic acid / 1.5 h / 80 °C

5.1: boron tribromide / dichloromethane / 1.5 h / 0 °C / Inert atmosphere

5.2: 0.5 h / 20 °C / Inert atmosphere

6.1: palladium on activated charcoal; hydrogen / tetrahydrofuran; methanol / 1.5 h / 20 °C

7.1: N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide / chloroform; water / 4 h / 60 °C

With pyridine; oxalyl dichloride; sulfuric acid; palladium on activated charcoal; N-benzyl-N,N,N-triethylammonium chloride; hydrogen; boron tribromide; acetic acid; N,N-dimethyl-formamide; potassium hydroxide; sodium hydroxide; In tetrahydrofuran; methanol; dichloromethane; chloroform; water; 3.1: Baker-Venkataraman transformation;

DOI:10.1016/j.tetlet.2011.11.034

upstream raw materials:

2-(4-benzyloxy-phenyl)-5,6,7-trimethoxy-chromen-4-one

salvigenin

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide

2-(4-(benzyloxy)phenyl)-5-hydroxy-6,7-dimethoxy-4H-chromen-4-one

Refernces