13-03335. Dioxypyramidon [Archived]

Nomenclature

CAS number: 519-65-3
(Dimethylamino)oxoacetic acid 2-acetyl-2-methyl-1-phenylhydrazide; 1-acetyl-1,5,5-trimethyl-2-phenylsemioxamazide; α-(dimethylamidooxalyl)-β,β-methylacetylphenylhydrazine; dioxyaminopyrine; dioxoaminopyrine.
C13H17N3O3; mol wt 263.29.
C 59.30%, H 6.51%, N 15.96%, O 18.23%.

Description and 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).

Chemical structure

Properties

Orthorhombic, translucent prisms from water. Somewhat bitter taste. mp 105.5° (softens at 96°). bp2 194-201°. uv max (hexane): 248.5 nm (ε 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.

Status

This monograph has been retired and is no longer subject to revision or update.