| Title:  Ibuproxam CAS Registry Number:  53648-05-8 CAS Name:  N-Hydroxy-a-methyl-4-(2-methylpropyl)benzeneacetamide Additional Names:  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.  |