Title: Isonixin
CAS Registry Number: 57021-61-1
CAS Name: N-(2,6-Dimethylphenyl)-1,2-dihydro-2-oxo-3-pyridinecarboxamide
Synonyms: 2-pyridone-3-carboxylic acid 2,6-xylidide; 2-hydroxy-2¢,6¢-nicotinoxylidide
Trademarks: Nixyn (Organon)
Molecular Formula: C14H14N2O2
Molecular Weight: 242.27
Percent Composition: C 69.41%, H 5.82%, N 11.56%, O 13.21%
Literature References: Non-steroidal anti-inflammatory agent. Prepn: J.-A. Canicio Chimeno,
BE 820578;
idem, US 4031105 (1975, 1977 both to Hermes). Prepn, pharmacology and toxicity: R. Cadena
et al., Arzneim.-Forsch. 27, 1457 (1977). Toxicological study: M. T. Mitjavila
et al., ibid. 1460. Absorption, excretion studies: G. Carrera
et al., ibid. 29, 1401 (1979). Tolerance in humans: T. M. Serra
et al., Therapie 35, 173 (1980). HPLC determn in plasma: F. González Lopez
et al., Farmaco Ed. Prat. 38, 273 (1983).
Properties: White crystalline powder from ethanol, mp 266-267°. Sol in chloroform and strong alkali. Practically insol in acids and water. LD50 in male, female mice, male, female rats (mg/kg): 7000, 8000, >6000, >6000 orally; all >2000 i.p. (Cadena).
Melting point: mp 266-267°
Toxicity data: LD50 in male, female mice, male, female rats (mg/kg): 7000, 8000, >6000, >6000 orally; all >2000 i.p. (Cadena)
Therap-Cat: Analgesic, anti-inflammatory.
Keywords: Analgesic (Non-Narcotic); Anti-inflammatory (Nonsteroidal); Aminoarylcarboxylic Acid Derivatives.