Title:  Ebselen 
CAS Registry Number:  60940-34-3 
CAS Name:  2-Phenyl-1,2-benzisoselenazol-3(2H)-one 
Manufacturers' Codes:  PZ-51 
Molecular Formula:  C13H9NOSe 
Molecular Weight:  274.18 
Percent Composition:  C 56.95%, H 3.31%, N 5.11%, O 5.84%, Se 28.80% 
Literature References:  Seleno-organic which shows antioxidant effects through glutathione peroxidase-like action.  Prepn:  R. Lesser, R. Weiss, Ber. 57, 1077 (1924); R. Weber, M. Renson, Bull. Soc. Chim. Fr. 1976, 1124; L. Engman, A. Hallberg, J. Org. Chem. 54, 2964 (1989).  One-step synthesis:  J. Oppenheimer, L. A. Silks, III, J. Labelled Compd. Radiopharm. 38, 281 (1996).  HPLC determn in plasma:  R. Terlinden et al., J. Chromatogr. 430, 438 (1988).  Clinical trial as neuroprotectant in ischemic stroke:  T. Yamaguchi et al., Stroke 29, 12 (1998); A. Ogawa et al., Cerebrovasc. Dis. 9, 112 (1999).  Review of pharmacology:  M. J. Parnham et al., 32, 4-9 (1991); and of biochemical interactions:  T. Schewe, Gen. Pharmacol. 26, 1153-1169 (1995).  Review as glutathione peroxidase mimic:  H. Sies, Free Radical Biol. Med. 14, 313-323 (1993). 
Properties:  Crystals from ethanol, mp 180-181°. 
Melting point:  mp 180-181°   |