7493. Piribedil

Nomenclature

CAS number: 3605-01-4
2-[4-(1,3-Benzodioxol-5-ylmethyl)-1-piperazinyl]pyrimidine; 2-(4-piperonyl-1-piperazinyl)pyrimidine; 2-[4-(3,4-methylenedioxybenzyl)piperazino]pyrimidine; 1-(2-pyrimidyl)-4-piperonylpiperazine; 1-(2″-pyrimidyl)-4-(methylene-3′,4′-dioxybenzyl)piperazine; ET-495; EU-4200; Trivastal (Itherapia).
C16H18N4O2; mol wt 298.34.
C 64.41%, H 6.08%, N 18.78%, O 10.73%.

Description and references

Central dopaminergic agonist. Prepn: NL 6413349; G. Regnier et al., US 3299067; eidem, GB 1101425 (1965, 1967, 1968 all to Sci. Union et Cie-Soc. Franc. Rech. Med.); G. Regnier et al., J. Med. Chem. 11, 1151 (1968). Activity in man: R. Royer, Proc. 3rd Int. Pharmacol. Meet. 3, R. K. Richards, Ed. (Pergamon Press, New York, 1968) pp 45-55. Pharmacology: M. Laubie et al., Eur. J. Pharmacol. 6, 75 (1969). Metabolism: D. B. Campbell et al., Adv. Neurol. 3, 199 (1973). Review of mechanism of action: P. Jenner, J. Neurol. 239, Suppl. 1, S2-S8 (1992).

Chemical structure

Properties

Crystals from anhydr ethanol, mp 98°. LD50 in mice (mg/kg): 88 i.v., 690 i.p., 1460 orally (Laubie).

Therapeutic Category

Vasodilator (peripheral).

Keywords

Vasodilator (Peripheral)