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

Base Information

• Chemical Name: 3',4',5,7-tetramethoxyflavylium chloride
• CAS No.: 10493-03-5
• Molecular Formula: C₁₉H₁₉O₅*Cl
• Molecular Weight: 362.81
• Mol file: 10493-03-5.mol

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

Chemical Property of 3',4',5,7-tetramethoxyflavylium chloride

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3',4',5,7-tetramethoxyflavylium chloride

There total 12 articles about 3',4',5,7-tetramethoxyflavylium 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: 97.0%

3',4',5,7-tetramethoxy-4-carboxyflav-2,3-ene (79183-97-4) → 3',4',5,7-tetramethoxyflavylium chloride (10493-03-5)

Guidance literature:

With lead(IV) acetate; In acetic anhydride; acetic acid; at 50 ℃; for 2h;

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

Reference yield:

3,5-dimethoxyphenol (500-99-2) → 3',4',5,7-tetramethoxyflavylium chloride (10493-03-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 72 percent / aq. formic acid; aq. HCl / 5 °C

2: 88 percent / NaBH₄ / methanol / 0.17 h

3: 97 percent / Pb(OAc)4 / acetic acid; acetic anhydride / 2 h / 50 °C

With lead(IV) acetate; sodium tetrahydroborate; In hydrogenchloride; methanol; formic acid; acetic anhydride; acetic acid;

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

Reference yield:

4-(3,4-dimethoxy-phenyl)-2,4-dioxo-butyric acid (79183-93-0) → 3',4',5,7-tetramethoxyflavylium chloride (10493-03-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 72 percent / aq. formic acid; aq. HCl / 5 °C

2: 88 percent / NaBH₄ / methanol / 0.17 h

3: 97 percent / Pb(OAc)4 / acetic acid; acetic anhydride / 2 h / 50 °C

With lead(IV) acetate; sodium tetrahydroborate; In hydrogenchloride; methanol; formic acid; acetic anhydride; acetic acid;

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

upstream raw materials:

3,5-dimethoxyphenol

1-(3,4-dimethoxyphenyl)prop-2-yn-1-one

3',4',5,7-tetramethoxyflav-2-ene

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

Downstream raw materials:

2-acetoxy-3',4,4',6-tetramethoxychalcone

3',4',5,7-tetramethoxyflav-2-ene

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

1-(3,4-dimethoxy-phenyl)-2-hydroxy-3-(2-hydroxy-4,6-dimethoxy-phenyl)-propan-1-one

Refernces