7-Hydroxy-3,3',4',5'-tetramethoxyflavone

Base Information

• Chemical Name: 7-Hydroxy-3,3',4',5'-tetramethoxyflavone
• CAS No.: 20979-43-5
• Molecular Formula: C₁₉H₁₈O₇
• Molecular Weight: 358.348
• UNII: 9VWL5AQ8XV
• DSSTox Substance ID: DTXSID90943275
• Wikidata: Q82920337

Synonyms:7-Hydroxy-3,3',4',5'-tetramethoxyflavone;9VWL5AQ8XV;20979-43-5;Flavone, 7-hydroxy-3,3',4',5'-tetramethoxy-;7-Hydroxy-3-methoxy-2-(3,4,5-trimethoxyphenyl)-4H-1-benzopyran-4-one;UNII-9VWL5AQ8XV;DTXSID90943275;4H-1-BENZOPYRAN-4-ONE, 7-HYDROXY-3-METHOXY-2-(3,4,5-TRIMETHOXYPHENYL)-

Chemical Property of 7-Hydroxy-3,3',4',5'-tetramethoxyflavone

Chemical Property:

• Vapor Pressure: 3.52E-13mmHg at 25°C
• XLogP3: 2.9
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 5
• Exact Mass: 358.10525291
• Heavy Atom Count: 26
• Complexity: 532

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC(=CC(=C1OC)OC)C2=C(C(=O)C3=C(O2)C=C(C=C3)O)OC

Technology Process of 7-Hydroxy-3,3',4',5'-tetramethoxyflavone

There total 1 articles about 7-Hydroxy-3,3',4',5'-tetramethoxyflavone 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:

2',4'-dihydroxy-2-methoxyacetophenone (57280-75-8) + 3,4,5-trimethoxybenzoic anhydride (1719-88-6) → 7-hydroxy-3-methoxy-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one (20979-43-5)

Guidance literature:

With sodium 3,4,5-trimethoxybenzoate; at 180 ℃; Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge;

DOI:10.1039/jr9330000268 DOI:10.1039/jr9320001107

Reference yield:

7-hydroxy-3-methoxy-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one (20979-43-5) → robinetin (490-31-3)

Guidance literature:

With hydrogen iodide; acetic anhydride;

DOI:10.1039/jr9330000268 DOI:10.1039/jr9320001107

Reference yield:

7-hydroxy-3-methoxy-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one (20979-43-5) → 7,8-dihydroxy-3-methoxy-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one

Guidance literature:

With sodium hydroxide; dipotassium peroxodisulfate; anschliessend Erwaermen mit wss. Salzsaeure;

upstream raw materials:

2',4'-dihydroxy-2-methoxyacetophenone

3,4,5-trimethoxybenzoic anhydride

Downstream raw materials:

robinetin

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