17229-74-2

Basic information

• Product Name: 5(2H)-Isoxazolone, 2,4-diphenyl-
• CAS NO: 17229-74-2
• Molecular Formula: C15H11NO2
• Molecular Weight: 237.258
• Mol File: 17229-74-2.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 5(2H)-Isoxazolone, 2,4-diphenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: 5(2H)-Isoxazolone, 2,4-diphenyl-(17229-74-2)
• EPA Substance Registry System: 5(2H)-Isoxazolone, 2,4-diphenyl-(17229-74-2)

Safety Data

• Hazardous Substances Data: 17229-74-2(Hazardous Substances Data)

Upstream product

• 100-65-2 N-Phenylhydroxylamine 
• 101-97-3 Ethyl 2-phenylethanoate 
• 17838-69-6 ethyl 3-oxo-2-phenylpropanoate 

Downstream Products

• 100-65-2 N-Phenylhydroxylamine 
• 41951-10-4 2,N-diphenyl-malonamic acid 
• 93-58-3 benzoic acid methyl ester 
• 5449-36-5 methyl 3-oxo-2-phenyl-3-(phenylamino)propanoate 
• 109126-55-8 (Z)-N,N'-Diphenyl-ethene-1,2-diamine 
• 109126-55-8 1r,2c-Dianilino-aethylen 
• 109126-55-8 1r,2t-Dianilino-aethylen 
• 93-89-0 benzoic acid ethyl ester 
• 20628-57-3 ethyl 2-(phenylcarbamoyl)-2-phenylacetate 

Relevant articles and documents

The chemistry of 5-oxodihydroisoxazoles. XX: Photolysis of 2,4-diphenylisoxazol-5(2H)-one: Evidence for singlet and triplet pathways

2,4-Diphenylisoxazol-5(2H)-one (2) has been photolysed in the presence of alcohols, amines and in inert solvents, and the products are shown to arise by two competitive singlet state photolytic processes. The minor pathway involves loss of carbon dioxide to give an imino carbene which is captured by nucleophiles: the major pathway involves isomerization to a ketene which is rapidly decarbonylated, and the resultant carbene captured by solvent. The presence of acetone or other triplet sensitizers induces a third competitive pathway involving triplet states.