18720-69-9

Basic information

• Product Name: 7-Methoxy-2,3-diphenyl-4H-chromen-4-one
• CAS NO: 18720-69-9
• Molecular Formula: C₂₂H₁₆O₃
• Molecular Weight: 0
• Mol File: 18720-69-9.mol

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 7-Methoxy-2,3-diphenyl-4H-chromen-4-one(CAS DataBase Reference)
• NIST Chemistry Reference: 7-Methoxy-2,3-diphenyl-4H-chromen-4-one(18720-69-9)
• EPA Substance Registry System: 7-Methoxy-2,3-diphenyl-4H-chromen-4-one(18720-69-9)

Safety Data

• Hazardous Substances Data: 18720-69-9(Hazardous Substances Data)

Upstream product

• 33454-09-0 phenyl 2-hydroxy-4-methoxybenzoate 
• 501-65-5 diphenyl acetylene 
• 98-88-4 benzoyl chloride 
• 18439-96-8 1-(2-hydroxy-4-methoxyphenyl)-2-phenylethanone 
• 74719-07-6 1-<2-(benzoyloxy)-4-methoxyphenyl>-2-phenylethanone 

Downstream Products

• 18651-11-1 Hydroxy-3-phenylflavone 
• 130405-72-0 2,3-diphenyl-7-(2-pyrrolidinoethoxy)-4H-1-benzopyran-4-one 
• 1062224-58-1 3,4-diphenyl-5-(2-hydroxy-4-methoxyphenyl)pyrazole 

Relevant articles and documents

Nickel-catalyzed CO/OH annulation of salicylate esters with alkynes: Activation of CO bond in Esters

The Ni-catalyzed CO/OH annulation of salicylate esters with alkynes, leading to the production of chromone derivatives is reported. The key step in the reaction is the cleavage of an acyl CO bond. The presence of a base is essential for the reaction to proceed.

Structure-activity relationship of antiestrogens. Studies on 2,3-diaryl-1-benzopyrans

A series of 2,3-diaryl-1-benzopyran analogues substituted at position 4 of 2-phenyl with a hydroxy or pyrrolidinoethoxy residue were synthesized as models for (E)-triarylpropenones constrained in the s-trans conformation. The prototypes, belonging to five