Title: Ibuproxam
CAS Registry Number: 53648-05-8
CAS Name: N-Hydroxy-a-methyl-4-(2-methylpropyl)benzeneacetamide
Synonyms: dl-2-(4-isobutylphenyl)propionohydroxamic acid
Manufacturers' Codes: G-277
Trademarks: Ibudros (Manetti Roberts)
Molecular Formula: C13H19NO2
Molecular Weight: 221.30
Percent Composition: C 70.56%, H 8.65%, N 6.33%, O 14.46%
Literature References: Hydroxylamine deriv of ibuprofen,
q.v., to which it is converted
in vivo. Prepn: G. Orzalesi, R. Selleri,
DE 2400531;
eidem, US 4082707 (1974, 1978 both to Manetti & Roberts). Metabolism in rats: G. Orzalesi
et al., Arzneim.-Forsch. 27, 1012 (1977); in humans:
eidem, ibid. 30, 1607 (1980). Pharmacological study:
eidem, ibid. 27, 1006 (1977). Thermal decomposition: S. Chimichi
et al., J. Pharm. Sci. 69, 521 (1980). Physico-chemical properties: M. Mannelli
et al., Boll. Chim. Farm. 119, 203 (1980).
Properties: Crystals from acetone/petr ether, mp 119-121°. Sol in methanol, ethanol, acetone, ethyl ether. Practically insol in water and petr ether. LD50 in mice, rats (g/kg): >2, >3 orally (Orzalesi, Selleri, 1978).
Melting point: mp 119-121°
Toxicity data: LD50 in mice, rats (g/kg): >2, >3 orally (Orzalesi, Selleri, 1978)
Therap-Cat: Anti-inflammatory.
Keywords: Anti-inflammatory (Nonsteroidal); Arylpropionic Acid Derivatives.