| Title:  Piberaline CAS Registry Number:  39640-15-8 CAS Name:  1-(Phenylmethyl)-4-(2-pyridinylcarbonyl)piperazine Additional Names:  1-benzyl-4-picolinoylpiperazine Manufacturers' Codes:  EGYT-475 Trademarks:  Trelibet (EGYT) Molecular Formula:  C17H19N3O Molecular Weight:  281.35 Percent Composition:  C 72.57%, H 6.81%, N 14.94%, O 5.69% Literature References:  Prepn:  J. Körösi et al., BE 781494; eidem, US 3865828 (1972, 1975 both to EGYT).  Alternate prepns:  Z. Budai et al., DE 2828888 C.A. 90, 168643u (1979); eidem, HU 17182 C.A. 92, 215463p (1980) (both 1979 to EGYT); eidem, Acta Chim. Acad. Sci. Hung. 105, 241 (1980), C.A. 94, 192275d (1981).  HPLC separation:  J. Borda et al., J. Chromatogr. 258, 271 (1983).  Effect on avoidance behavior in rats:  G. Telegdy et al., Arch. Int. Pharmacodyn. Ther. 266, 50 (1983).  Metabolism in animals and humans:  K. Magyar, Pol. J. Pharmacol. Pharm. 39, 107 (1987).  Mechanism of action study:  K. Tekes et al., ibid. 203.   Derivative Type:  Dihydrochloride  Molecular Formula:  C17H19N3O.2HCl Molecular Weight:  354.27 Percent Composition:  C 57.63%, H 5.97%, N 11.86%, O 4.52%, Cl 20.01% Properties:  Crystals from ethanol, mp 214-215°. Melting point:  mp 214-215°   Derivative Type:  Maleate  Molecular Formula:  C17H19N3O.C4H4O4 Molecular Weight:  397.42 Percent Composition:  C 63.47%, H 5.83%, N 10.57%, O 20.13% Properties:  Crystals, mp 169-170°. Melting point:  mp 169-170°   Derivative Type:  Fumarate  Molecular Formula:  C17H19N3O.C4H4O4 Molecular Weight:  397.42 Percent Composition:  C 63.47%, H 5.83%, N 10.57%, O 20.13% Properties:  Crystals, mp 165°. Melting point:  mp 165°   Therap-Cat:  Antidepressant. Keywords:  Antidepressant.  |