一个最近控制的合成卡丁多巴胺载体重吸收抑制剂的结构-活性关系:α-Pyrrolidinohexiophenone (α-PHP)
Rachel A Davies1, Vy T Nguyen2, Jose M Eltit2
1Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298, United States.
像α-Pyrrolidinohexiophenone (α-PHP) 这样的合成甲基是强大的多巴胺转运体抑制剂. 这项研究探讨了α-PHP类似物的结构-活性关系,发现除了三甲基变体外,大多数选择性地阻断多巴胺再吸收.
科学领域:
- 神经科学是一个神经科学.
- 药用化学 医学化学
- 药理学 药理学是指药理学的学科.
背景情况:
- α-Pyrrolidinohexiophenone (α-PHP) 是一种合成的甲基和α-PVP的同类物,两者均来自美国. 列表I受管制物质. 控制物质.
- 合成的甲基是具有滥用责任性的核心兴奋剂,通常作为多巴胺转运体 (DAT) 复摄抑制剂.
- 缺乏作为DAT抑制剂的α-PHP类似物的系统结构-活性关系 (SAR) 研究.
研究的目的:
- 为了进行一个系统的SAR研究,以4-置换的α-PHP类似物作为DAT反吸收抑制剂.
- 为了比较DAT与SERT的选择性和这些类型的强度.
- 调查结构修改对DAT.抑制活性的影响.
主要方法:
- 一系列4替代的α-PHP类似物的合成.
- 使用突触体制剂进行抑制测定,以测量DAT和SERT再吸收抑制.
- 选择性比率 (DAT与SERT) 和强度值的计算.
主要成果:
- 大多数4替代α-PHP类似物是强效和选择性的DAT再吸收抑制剂 (选择性为28~300倍).
- 在这些类型中,DAT抑制的强度在狭窄的范围内变化 (<3倍).
- 4-trifluoromethyl (CF3) α-PHP类似物是一个异常值,显示显著降低功效和DAT与SERT选择性的损失.
结论:
- 在α-PHP的4-位置的结构变化影响DAT再吸收抑制和选择性.
- 在4位的三甲基组显著降低了DAT抑制功效和选择性.
- 需要对替代剂的物理化学性质进行进一步的研究,才能充分理解SAR,而QSAR研究受到结果范围狭窄的限制.
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