Toward Hypoxia-Selective Rhenium and Technetium Tricarbonyl Complexes
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- 作者：Andrea J. North ; David J. Hayne ; Christine Schieber ; Katherine Price ; Anthony R. White ; Peter J. Crouch ; Angela Rigopoulos ; Graeme J. O鈥橩eefe ; Henri Tochon-Danguy ; Andrew M. Scott ; Jonathan M. White ; Uwe Ackermann ; Paul S. Donnelly
- 刊名：Inorganic Chemistry
- 出版年：2015
- 出版时间：October 5, 2015
- 年：2015
- 卷：54
- 期：19
- 页码：9594-9610
- 全文大小：729K
- ISSN：1520-510X
文摘
With the aim of preparing hypoxia-selective imaging and therapeutic agents, technetium(I) and rhenium(I) tricarbonyl complexes with pyridylhydrazone, dipyridylamine, and pyridylaminocarboxylate ligands containing nitrobenzyl or nitroimidazole functional groups have been prepared. The rhenium tricarbonyl complexes were synthesized with short reaction times using microwave irradiation. Rhenium tricarbonyl complexes with deprotonated p-nitrophenyl pyridylhydrazone ligands are luminescent, and this has been used to track their uptake in HeLa cells using confocal fluorescent microscopy. Selected rhenium tricarbonyl complexes displayed higher uptake in hypoxic cells when compared to normoxic cells. A 99mTc tricarbonyl complex with a dipyridylamine ligand bearing a nitroimidazole functional group is stable in human serum and was shown to localize in a human renal cell carcinoma (RCC; SK-RC-52) tumor in a mouse.