Title:  Pyritinol 
CAS Registry Number:  1098-97-1 
CAS Name:  3,3¢-[Dithiobis(methylene)]bis[5-hydroxy-6-methyl-4-pyridinemethanol] 
Additional Names:  bis(4-hydroxymethyl-5-hydroxy-6-methyl-3-pyridylmethyl) disulfide;  bis[(3-hydroxy-4-hydroxymethyl-2-methyl-5-pyridyl)methyl] disulfide;  dipyridoxolyldisulfide;  pyridoxine-5-disulfide;  pyrithioxin 
Molecular Formula:  C16H20N2O4S2 
Molecular Weight:  368.47 
Percent Composition:  C 52.15%, H 5.47%, N 7.60%, O 17.37%, S 17.40% 
Literature References:  Prepn:  Zima, Schorre, US 3010966 (1961 to E. Merck); Iwanami et al., Bitamin 36, 122 (1967); J. Vitaminol. 14, 321, 326 (1968).  HPLC determn in urine:  K. Kitao et al., Chem. Pharm. Bull. 25, 1335 (1977).  Pharmacokinetics and metabolism:  Darge et al., Arzneim.-Forsch. 19, 5, 9, (1969); Nowak, Schorre, ibid. 11.  Clinical trial in dementia:  S. Hoyer et al., ibid. 27, 671 (1977); A. J. Cooper, R. V. Magnus, Pharmacotherapeutica 2, 317 (1980); in cerebrovascular disorders:  Y. Tazaki et al., J. Int. Med. Res. 8, 118 (1980). 
Properties:  Crystals, mp 218-220°. 
Melting point:  mp 218-220° 
  
Derivative Type:  Dihydrochloride monohydrate  
Trademarks:  Biocefalin (Benvegna);  Bonifen (Merck KGaA);  Enbol (Chugai);  Encephabol (Merck KGaA);  Enerbol (Polfa);  Epocan (Merck KGaA);  Life (SIT) 
Molecular Formula:  C16H20N2O4S2.2HCl.H2O 
Molecular Weight:  459.41 
Percent Composition:  C 41.83%, H 5.27%, N 6.10%, O 17.41%, S 13.96%, Cl 15.43% 
Properties:  mp 184°.  Note:  Has no vitamin B6 activity. 
Melting point:  mp 184° 
  
Therap-Cat:  Nootropic. 
Keywords:  Nootropic.   |