Synthesis and Dopaminergic Activity of 3-(3,4-Dihydroxyphenyl)-1-n-propylpyrrolidine Hydrobromide

Add time:07/21/2019    Source:sciencedirect.com

3-(3,4-Dihydroxyphenyl)-1-n-propylpyrrolidine hydrobromide was synthesized by a six-step reaction sequence and was evaluated, and compared with apomorphine, for central dopaminergic agonist activity. The compound produced behavioral and biochemical changes characteristic of central dopaminergic stimulation. Administration of 3-(3,4-dihydroxyphenyl)-1-n-propylpyrrolidine hydrobromide to rats resulted in the reversal of the reserpine syndrome, stereotypic behavior, contralateral turning following 6-hydroxydopamine lesion of the substantia nigra, a decrease in dopamine turnover, and inhibition of prolactin release. These results indicate that 3-(3,4-dihydroxyphenyl)-1-n-propylpyrrolidine hydrobromide is a dopaminergic agonist. However, the compound exhibited a lower potency but a slightly longer duration of action than apomorphine.

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