4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-5,7-dimethoxy-

Base Information

• Chemical Name: 4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-5,7-dimethoxy-
• CAS No.: 69127-80-6
• Molecular Formula: C17H14O5
• Molecular Weight: 298.295
• Mol file: 69127-80-6.mol

Synonyms:5,7-Dimethoxy-4'-hydroxyisoflavon;4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-5,7-dimethoxy-;3-(4-hydroxyphenyl)-5,7-dimethoxy-4H-1-benzopyran-4-one;3-(4-hydroxy-phenyl)-5,7-dimethoxy-chromen-4-one;3-(4-Hydroxy-phenyl)-5,7-dimethoxy-chromen-4-on;

Chemical Property of 4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-5,7-dimethoxy-

Chemical Property:

• PSA: 68.90000
• LogP: 3.18280

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-5,7-dimethoxy-

There total 7 articles about 4H-1-Benzopyran-4-one, 3-(4-hydroxyphenyl)-5,7-dimethoxy- 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:

flavokawain C (37308-75-1) → 3-(4-hydroxyphenyl)-5,7-dimethoxychromen-4-one (69127-80-6)

Guidance literature:

With hydrogenchloride; thallium(III) nitrate trihydrate; Yield given. Multistep reaction; 1.) methanol, 15 min, RT; 2.) methanol, 4.5 h, reflux;

Reference yield:

3-(4-amino-phenyl)-5,7-dimethoxy-chromen-4-one (855829-21-9) → 3-(4-hydroxyphenyl)-5,7-dimethoxychromen-4-one (69127-80-6)

Guidance literature:

With sulfuric acid; sodium nitrite; anschliessendes Erwaermen mit wss. Schwefelsaeure;

Reference yield:

5,7-dimethoxy-3-(4-nitro-phenyl)-chromen-4-one (98029-76-6) → 3-(4-hydroxyphenyl)-5,7-dimethoxychromen-4-one (69127-80-6)

Guidance literature:

Multi-step reaction with 2 steps

1: aqueous ethanol; zinc-powder; acetic acid

2: aqueous sulfuric acid; sodium nitrite / anschliessendes Erwaermen mit wss. Schwefelsaeure

With ethanol; sulfuric acid; acetic acid; zinc; sodium nitrite;

upstream raw materials:

3-(4-amino-phenyl)-5,7-dimethoxy-chromen-4-one

2,4'-dihydroxy-4,6-dimethoxy-deoxybenzoin

formic acid ethyl ester

flavokawain C

Downstream raw materials:

4'-acetoxy-7,4'-dimethoxyisoflavone

prunetin

2,4'-dihydroxy-4,6-dimethoxy-deoxybenzoin