2569-77-9

Basic information

• Product Name: 5,6,7-trimethoxy-2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one
• Synonyms: 2,3-Dihydro-2-(4-methoxyphenyl)-5,6,7-trimethoxy-4H-1-benzopyran-4-one; 4',5,6,7-Tetramethoxyflavanone; 4H-1-benzopyran-4-one, 2,3-dihydro-5,6,7-trimethoxy-2-(4-methoxyphenyl)-; 5,6,7,4'-tetramethoxyflavanone
• CAS NO: 2569-77-9
• Molecular Formula: C₁₉H₂₀O₆
• Molecular Weight: 344.3585
• Mol File: 2569-77-9.mol
• Article Data: 4

Chemical Properties

• Boiling Point: 524.5°C at 760 mmHg
• Flash Point: 231.5°C
• Density: 1.212g/cm³
• Vapor Pressure: 4.29E-11mmHg at 25°C
• Refractive Index: 1.556
• CAS DataBase Reference: 5,6,7-trimethoxy-2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one(CAS DataBase Reference)
• NIST Chemistry Reference: 5,6,7-trimethoxy-2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one(2569-77-9)
• EPA Substance Registry System: 5,6,7-trimethoxy-2-(4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one(2569-77-9)

Safety Data

• Hazardous Substances Data: 2569-77-9(Hazardous Substances Data)

Upstream product

• 123-11-5 4-methoxy-benzaldehyde 
• 22248-14-2 6-hydroxy-2,3,4-trimethoxyacetophenone 
• 41929-26-4 1-(6-hydroxy-2,3,4-trimethoxyphenyl)-3-(4-methoxyphenyl)propenone 

Downstream Products

• 4472-73-5 3,5,6,7,4'-pentamethoxyflavone 
• 79180-39-5 8-methoxycarbonylmethyl-4',5,6,7-tetramethoxyflavanone 
• 79180-35-1 [5,6,7-Trimethoxy-2-(4-methoxy-phenyl)-4-oxo-chroman-8-yl]-acetonitrile 
• 79180-36-2 {2-Hydroxy-4,5,6-trimethoxy-3-[(E)-3-(4-methoxy-phenyl)-acryloyl]-phenyl}-acetonitrile 
• 75933-05-0 5-hydroxy-6,7,4'-trimethoxyflavanone 
• 79180-37-3 8-Chloromethyl-5,6,7-trimethoxy-2-(4-methoxy-phenyl)-chroman-4-one 
• 5867-71-0 3-hydroxy-5,6,7,4'-tetramethoxymethoxyflavone 

Relevant articles and documents

Use of flavone and flavanone derivatives in preparation of sedative and hypnotic drugs

Disclosed is a use of flavones derivatives and flavanone derivatives in preparation of sedative and hypnotic drugs.

Synthesis of 5,6,7,4'-tetramethoxyflavanone and 5,6,7-trimethoxy-3',4'-methylenedioxyflavone

The title compounds (I and II) have been synthesized by chalkone route, employing 2-hydroxy-4,4',5',6'-tetramethoxychalcone (III) and 2'-hydroxy-4',5',6'-trimethoxy-3,4-methylenedioxychalkone (IV), respectively.