Synthesis and biological evaluation of bupropion analogues as potential pharmacotherapies for cocaine addiction

F. Ivy Carroll, Bruce E. Blough, Philip Abraham, Andrew C. Mills, J. Ashley Holleman, Scott A. Wolckenhauer, Ann M. Decker, Antonio Landavazo, K. Timothy McElroy, Hernán A. Navarro, Michael B. Gatch, Michael J. Forster

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115 Scopus citations


A series of bupropion (1a) analogues (1b-1ff) were synthesized, and their in vitro and in vivo pharmacological properties evaluated with the goal of developing a 1a analogue that had better properties for treating addictions. Their in vitro pharmacological properties were examined by [3H] dopamine ([3H]DA), [3H]serotonin ([3H]5HT), and [3H]norepinephrine ([3H]NE) uptake inhibition studies, and by binding studies at the dopamine, serotonin, and norepinephrine transporters using [125I]RTI-55 in cloned transporters. Several analogues showed increased [3H]DAuptake inhibition with reduced or little change in [3H]5HT and [3H]NE uptake inhibition relative to bupropion. Thirty-five analogues were evaluated in a 1 h locomotor activity observation test and 32 in an 8 h locomotor activity observation test and compared to the locomotor activity of cocaine. Twenty-four analogues were evaluated for generalization to cocaine drug discrimination after i.p. administration, and twelve analogues were tested in a time course cocaine discrimination study using oral administration. 2-(N-Cyclopropylamino)-3- chloropropiophenone (1x) had the most favorable in vitro efficacy and in vivo pharmacological profile for an indirect dopamine agonist pharmacotherapy for treating cocaine, methamphetamine, nicotine, and other drugs of abuse addiction.

Original languageEnglish
Pages (from-to)6768-6781
Number of pages14
JournalJournal of Medicinal Chemistry
Issue number21
StatePublished - 12 Nov 2009


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