Novel Cyclopentadienyl Tricarbonyl <sup>99m</sup>Tc Complexes Containing 1-Piperonylpiperazine Moiety: Potential Imaging Probes for Sigma-1 Receptors
作者:Xia Wang、Dan Li、Winnie Deuther-Conrad、Jie Lu、Ying Xie、Bing Jia、Mengchao Cui、Jörg Steinbach、Peter Brust、Boli Liu、Hongmei Jia
DOI:10.1021/jm5009488
日期:2014.8.28
We report the design, synthesis, and evaluation of a series of novel cyclopentadienyl tricarbonyl 99mTc complexes as potent σ1 receptor radioligands. Rhenium compounds 3-(4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl)propylcarbonylcyclopentadienyl tricarbonyl rhenium (10a) and 4-(4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl)butylcarbonylcyclopentadienyl tricarbonyl rhenium (10b) possessed high in vitro
我们报告的设计,合成,以及一系列新颖环戊二烯三羰基的评价99米锝配合物作为有力的σ 1受体的放射性。compounds化合物3-(4-(1,3-苯并二恶唑-5-基甲基)哌嗪-1-基)丙基羰基环戊二烯基三羰基en(10a)和4-(4-(1,3-苯并二恶唑-5-基甲基)哌嗪-1基)三羰基butylcarbonylcyclopentadienyl铼(10B)在体外亲和力具有较高的对σ 1受体和中度到高选择性σ 2受体和囊泡乙酰胆碱转运。小鼠的生物分布研究表明,相应的99m Tc衍生物[ 99m Tc注射后2分钟,Tc] 23和[ 99m Tc] 24分别为2.94和2.13%注射剂量(ID)/ g。氟哌啶醇的预处理显着降低了脑中[ 99m Tc] 23或[ 99m Tc] 24的放射性示踪剂蓄积。对C6和DU145肿瘤细胞中[ 99m Tc] 23的细胞吸收研究表明,与氟哌啶醇,1-(3,4-二