4H-1-Benzopyran-4-one,2,3-dihydro-2-phenyl-, O-[(4-methylphenyl)sulfonyl]oxime

Modify Date: 2025-10-31 12:43:58

4H-1-Benzopyran-4-one,2,3-dihydro-2-phenyl-, O-[(4-methylphenyl)sulfonyl]oxime structure	Common Name	4H-1-Benzopyran-4-one,2,3-dihydro-2-phenyl-, O-[(4-methylphenyl)sulfonyl]oxime
	CAS Number	6956-39-4	Molecular Weight	393.45600
	Density	1.27g/cm3	Boiling Point	561.8ºC at 760 mmHg
	Molecular Formula	C₂₂H₁₉NO₄S	Melting Point	N/A
	MSDS	N/A	Flash Point	293.5ºC

Name	3,4-Flavandione
Synonym	More Synonyms

Density	1.27g/cm3
Boiling Point	561.8ºC at 760 mmHg
Molecular Formula	C₂₂H₁₉NO₄S
Molecular Weight	393.45600
Flash Point	293.5ºC
Exact Mass	393.10300
PSA	73.34000
LogP	5.70920
Index of Refraction	1.622
InChIKey	UKUZCBKMKVMPIF-UHFFFAOYSA-N
SMILES	Cc1ccc(S(=O)(=O)ON=C2CC(c3ccccc3)Oc3ccccc32)cc1

Tosyl chloride

CAS#:98-59-9

4H-1-Benzopyran...

CAS#:6956-39-4

Literature: Kasahara Nippon Kagaku Zasshi, 1959 , vol. 80, p. 416,419 Chem.Abstr., 1961 , p. 5481

Precursor 1
CAS#:98-59-9 Tosyl chloride
DownStream 0

2-phenyl-chroman-3,4-dione

2-Phenyl-chroman-3,4-dion

Flavanonoxim-tosylat

3-hydroxiflavone

2-Phenyl-2H-chromene-3,4-dione

2,3-dihydro-2-phenyl-4H-1-benzopyran-4-one

3,4-Dioxo-2-phenyl-chroman

Names