期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 751, 期 -, 页码 83-89出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2013.07.042
关键词
Rhenium; Technetium; Radiopharmaceuticals; Molecular imaging; Targeting; Review
The higher homologues of group 7 transition metals, namely technetium and rhenium, offer radioisotopes suitable for the application as radiopharmaceuticals. Three generations of radiopharmaceuticals have been applied so far, with two of them reaching clinical application. While the first generation does not display a target specific functionality to bind exclusively to one ( or few) targets, the second generation allows target specific binding. The synthesis, however, is more sophisticated, but allows in principle a Lego brick build up of a radioactive moiety, a linker and a binding moiety. The third generation aims at an all in one approach, an organometallic derivative of a key, fitting to a specific receptor that also carries the load of the radioactive molecule. Although most elegant from design, such molecules are most difficult to develop. With the many available organometallic and inorganic rhenium derivatives, however, at least a much larger variety of specific second generation radiopharmaceuticals should be available. (C) 2013 Elsevier B. V. All rights reserved.
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