Summary
The effects of Piribedil on central dopaminergic receptors were compared with the effects elicited by 3 metabolites of this drug. One of them S-584=[1-(2-pyrimidyl)-4 (3–4 dihydroxyphenyl) piperazine] showed dopaminergic stimulant properties when administered by the i.p. route, in unilateral nigro-neostriatal lesioned rats. Other metabolites: S 3284=[1-(2-pyrimidyl)1N-oxydo-4 piperonyl piperazine] and S 3473=[1-(5 hydroxy 2 pyrimidyl)-4 piperonyl piperazine] were ineffective.
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Poignant, J.C., Lejeune, F., Malecot, E. et al. Effets comparés du Piribédil et de trois de ses métabolites sur le système extrapyramidal du rat. Experientia 30, 70–71 (1974). https://doi.org/10.1007/BF01921605
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DOI: https://doi.org/10.1007/BF01921605