期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 53, 期 5, 页码 2204-2214出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm9017465
关键词
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资金
- National Institutes of Health National Cooperative Drug Discovery Group [U 19 DA019377]
- National Institutes of Health [DA015389]
- Barrow Neurological Foundation
Bupropion (2a) analogues were synthesized and tested for their ability to inhibit monoamine uptake and to antagonize the effects of human alpha 3 beta 4*, alpha 4 beta 2, alpha 4 beta 4, and alpha 1* nAChRs. The analogues were evaluated for their ability to block nicotine-induced effects in four tests in mice. Nine analogues showed increased monoamine uptake inhibition. Similar to 2a, all but one analogue show inhibition of nAChR function selective for human alpha 3 beta 4*-nAChR. Nine analogues have higher affinity at alpha 3 beta 4*-nAChRs than 2a. Four analogues also had higher affinity for alpha 4 beta 2 nAChR. Analogues 2r, 2m, and 2n with AD(50) values of 0.014, 0.015, and 0.028 mg/kg were 87, 8 1, and 43 times more potent than 2a in blocking nicotine-induced antinociception in the tail-nick test. Analogue 2x with IC50 values of 31 and 180 nM for DA and NE, respectively, and with IC50 of 0.62 and 9.8 mu m for antagonism of alpha 3 beta 4 and alpha 4 beta 2 nAChRs had the best overall in vitro profile relative to 2a.
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