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Open AccessArticle

Synthesis and Biological Evaluation of Novel 99mTc-Labelled Bisphosphonates as Superior Bone Imaging Agents

Key Laboratory of Nuclear Medicine, Ministry of Health, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
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Molecules 2011, 16(8), 6165-6178; https://doi.org/10.3390/molecules16086165
Received: 10 June 2011 / Revised: 15 July 2011 / Accepted: 19 July 2011 / Published: 25 July 2011
(This article belongs to the Special Issue Radical Chemistry)
A series of novel zoledronic acid (ZL) derivatives 1-hydroxy-3-(2-methyl-1H-imidazol-1-yl)propane-1,1-diyldiphosphonic acid (MIPrDP), 1-hydroxy-4-(2-methyl-1H-imidazol-1-yl)butane-1,1-diyldiphosphonic acid (MIBDP), and 1-hydroxy-5-(2-methyl-1H-imidazol-1-yl)pentane-1,1-diyldiphosphonic acid (MIPeDP) were prepared and successfully labeled with 99mTc in high labeling yields. The in vitro stability and in vivo biodistribution of 99mTc-MIPrDP, 99mTc-MIBDP and 99mTc-MIPeDP were investigated and compared. The biodistribution studies indicate that the radiotracer 99mTc-MIPrDP has highly selective uptake in the skeletal system and rapid clearance from soft tissues. The present findings indicate that 99mTc-MIPrDP holds great potential for use in bone imaging. View Full-Text
Keywords: zoledronic acid derivative; 99mTc-labelled diphosphonates; in vitro stability; biodistribution; bone imaging agent zoledronic acid derivative; 99mTc-labelled diphosphonates; in vitro stability; biodistribution; bone imaging agent
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MDPI and ACS Style

Qiu, L.; Cheng, W.; Lin, J.; Luo, S.; Xue, L.; Pan, J. Synthesis and Biological Evaluation of Novel 99mTc-Labelled Bisphosphonates as Superior Bone Imaging Agents. Molecules 2011, 16, 6165-6178. https://doi.org/10.3390/molecules16086165

AMA Style

Qiu L, Cheng W, Lin J, Luo S, Xue L, Pan J. Synthesis and Biological Evaluation of Novel 99mTc-Labelled Bisphosphonates as Superior Bone Imaging Agents. Molecules. 2011; 16(8):6165-6178. https://doi.org/10.3390/molecules16086165

Chicago/Turabian Style

Qiu, Ling; Cheng, Wen; Lin, Jianguo; Luo, Shineng; Xue, Li; Pan, Jing. 2011. "Synthesis and Biological Evaluation of Novel 99mTc-Labelled Bisphosphonates as Superior Bone Imaging Agents" Molecules 16, no. 8: 6165-6178. https://doi.org/10.3390/molecules16086165

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