3',4',5,7-tetramethoxy-4-carboxyflavylium chloride

Base Information

• Chemical Name: 3',4',5,7-tetramethoxy-4-carboxyflavylium chloride
• CAS No.: 79183-95-2
• Molecular Formula: C₂₀H₁₉O₇*Cl
• Molecular Weight: 406.82
• Mol file: 79183-95-2.mol

Synonyms:3',4',5,7-tetramethoxy-4-carboxyflavylium chloride

Chemical Property of 3',4',5,7-tetramethoxy-4-carboxyflavylium chloride

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3',4',5,7-tetramethoxy-4-carboxyflavylium chloride

There total 1 articles about 3',4',5,7-tetramethoxy-4-carboxyflavylium chloride 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: 72.0%

3,5-dimethoxyphenol (500-99-2) + 4-(3,4-dimethoxy-phenyl)-2,4-dioxo-butyric acid (79183-93-0) → 3',4',5,7-tetramethoxy-4-carboxyflavylium chloride (79183-95-2)

Guidance literature:

In hydrogenchloride; formic acid; at 5 ℃;

DOI:10.1016/S0040-4020(01)92086-1

Reference yield: 88.0%

3',4',5,7-tetramethoxy-4-carboxyflavylium chloride (79183-95-2) → 3',4',5,7-tetramethoxy-4-carboxyflav-2,3-ene (79183-97-4)

Guidance literature:

With sodium tetrahydroborate; In methanol; for 0.166667h;

DOI:10.1016/S0040-4020(01)92086-1

Reference yield:

3',4',5,7-tetramethoxy-4-carboxyflavylium chloride (79183-95-2) → 3′,4′,5,7-tetrahydroxyflavylium chloride (1154-78-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 88 percent / NaBH₄ / methanol / 0.17 h

2: 97 percent / Pb(OAc)4 / acetic acid; acetic anhydride / 2 h / 50 °C

3: 78 percent / phenol, 48percent HBr / 16 h / Heating

With lead(IV) acetate; sodium tetrahydroborate; hydrogen bromide; phenol; In methanol; acetic anhydride; acetic acid;

DOI:10.1016/S0040-4020(01)92086-1

upstream raw materials:

3,5-dimethoxyphenol

4-(3,4-dimethoxy-phenyl)-2,4-dioxo-butyric acid

Downstream raw materials:

3',4',5,7-tetramethoxy-4-carboxyflav-2,3-ene

3',4',5,7-tetramethoxyflavylium chloride

3′,4′,5,7-tetrahydroxyflavylium chloride