Dioxypyramidon

Title: Dioxypyramidon
CAS Registry Number: 519-65-3
CAS Name: (Dimethylamino)oxoacetic acid 2-acetyl-2-methyl-1-phenylhydrazide
Additional Names: 1-acetyl-1,5,5-trimethyl-2-phenylsemioxamazide; a-(dimethylamidooxalyl)-b,b-methylacetylphenylhydrazine; dioxyaminopyrine; dioxoaminopyrine
Molecular Formula: C13H17N3O3
Molecular Weight: 263.29
Percent Composition: C 59.30%, H 6.51%, N 15.96%, O 18.23%
Literature References: Prepd from aminopyrine by oxidation with 30% hydrogen peroxide: Charonnat, Delaby, Compt. Rend. 189, 850 (1929); Valyashko, Depeshko, Zh. Obshch. Khim. 20, 1667 (1950).
Properties: Orthorhombic, translucent prisms from water. Somewhat bitter taste. mp 105.5° (softens at 96°). bp2 194-201°. uv max (hexane): 248.5 nm (e 16000). Soly in water at 20° = 7.69 g/100 ml; at 37° = 48.2 g/100 ml. Also sol in alcohol. Hydrolyzed by alkali.
Melting point: mp 105.5° (softens at 96°)
Boiling point: bp2 194-201°
Absorption maximum: uv max (hexane): 248.5 nm (e 16000)
Status: This monograph has been retired and is no longer subject to revision or update.
Diperodon Hydrochloride Diphacinone Diphemanil Methylsulfate Diphemethoxidine Diphenamid