Total synthesis and evaluation of [18F] MHMZ

被引:29
|
作者
Herth, Matthias M. [1 ]
Debus, Fabian [2 ]
Piel, Markus [1 ]
Palner, Mikael [3 ]
Knudsen, Gitte M. [3 ]
Lueddens, Hartmut [2 ]
Roesch, Frank [1 ]
机构
[1] Johannes Gutenberg Univ Mainz, Inst Nucl Chem, D-55128 Mainz, Germany
[2] Clin Res Grp, Dept Psychiat, D-55131 Mainz, Germany
[3] Rigshosp, Ctr Integrated Mol Brain Imaging, DK-2100 Copenhagen, Denmark
关键词
F-18] MHMZ; MDL; 100907; F-18] altanserin; 5-HT2A; antagonist; positron emission tomography; autoradiography;
D O I
10.1016/j.bmcl.2007.12.054
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Radiochemical labeling of MDL 105725 using the secondary labeling precursor 2-[F-18] fluoroethyltosylate ([F-18] FETos) was carried out in yields of similar to 90% synthesizing [F-18] MHMZ in a specific activity of similar to 50 MBq/ nmol with a starting activity of similar to 3 GBq. Overall radiochemical yield including [F-18] FETos synthon synthesis, [F-18] fluoroalkylation and preparing the injectable [ 18 F] MHMZ solution was 42% within a synthesis time of similar to 100 min. The novel compound showed excellent specific binding to the 5-HT2A receptor (K-i = 9.0 nM) in vitro and promising in vivo characteristics. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1515 / 1519
页数:5
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