| Title:  Leteprinim CAS Registry Number:  138117-50-7 CAS Name:  4-[[3-(1,6-Dihydro-6-oxo-9H-purin-9-yl)-1-oxopropyl]amino]benzoic acid Molecular Formula:  C15H13N5O4 Molecular Weight:  327.29 Percent Composition:  C 55.05%, H 4.00%, N 21.40%, O 19.55% Literature References:  Synthetic purine derivative with neuroprotective effects.  Prepn:  A. J. Glasky, WO 9114434 (1991); idem, US 5091432 (1992).  Effect on working memory in mice:  idem et al., Pharmacol. Biochem. Behav. 47, 325 (1994).  Mode of action study:  P. J. Middlemiss et al., Neurosci. Lett. 199, 131 (1995).  Mechanism of brain efflux:  R. Yan, E. M. Taylor, Drug Metab. Dispos. 30, 513 (2002).  Reviews of pharmacology:  M. P. Rathbone et al., Drug Dev. Res. 45, 356-372 (1998); idem et al., Expert Opin. Invest. Drugs 8, 1255-1262 (1999). Properties:  White solid, mp 319-321°. Melting point:  mp 319-321°.   Derivative Type:  Potassium salt  CAS Registry Number:  192564-13-9 Manufacturers' Codes:  AIT-082 Trademarks:  Neotrofin (Spectrum) Molecular Formula:  C15H13KN5O4 Molecular Weight:  366.39 Percent Composition:  C 49.17%, H 3.58%, K 10.67%, N 19.11%, O 17.47%   Therap-Cat:  Nootropic. Keywords:  Nootropic.  |