Conformationally Restricted Homotryptamines. Part 7: 3-<i>cis</i>-(3-Aminocyclopentyl)indoles As Potent Selective Serotonin Reuptake Inhibitors
作者:H. Dalton King、Zhaoxing Meng、Jeffrey A. Deskus、Charles P. Sloan、Qi Gao、Brett R. Beno、Edward S. Kozlowski、Melissa A. LaPaglia、Gail K. Mattson、Thaddeus F. Molski、Matthew T. Taber、Nicholas J. Lodge、Ronald J. Mattson、John E. Macor
DOI:10.1021/jm100515z
日期:2010.11.11
restriction of the homotryptamine side chain was attained by the insertion of a cyclopentyl ring, with the indole ring and the terminal dialkylamino group occupying the 1- and 3-positions, respectively. Nitrile and fluoro substitutions at the indole 5-position gave highest hSERT potency. Preferred cyclopentane ring stereochemistry in both series was cis (1S,3R for 5-CN compound 8a, 1R,3S for 5-F compound
已经合成了一系列构象受限的高氨乙酰胺,并且显示出它们是hSERT的有效抑制剂。通过插入环戊基环获得高色胺侧链的构象限制,其中吲哚环和末端二烷基氨基分别占据1-和3-位。吲哚5位的腈和氟取代产生最高的hSERT效能。在两个系列的优选环戊烷环的立体化学为顺式(1小号,3 - [R 5-CN化合物8A,1 - [R,3小号5-F化合物9A)。对于8a和9a观察到高的hSERT结合亲和力(分别为0.22和0.63 nM)。相应的反式异构体效力低4-9倍。口服剂量为1和3 mg / kg的8a产生了大鼠额叶皮质中细胞外5-羟色胺的强劲,剂量依赖性的增加,类似于帕罗西汀以5 mg / kg,po诱导的增加。相比之下,由于大脑和血浆水平相对较低,在9 mga / kg po下,大鼠额叶皮质9a不会产生明显的细胞外血清素增加。