Journal
APPLIED RADIATION AND ISOTOPES
Volume 84, Issue -, Pages 1-7Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2013.10.015
Keywords
[F-18]Fluspidine; One-step automated radiosynthesis; Positron emission tomography; sigma(1) receptors
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Funding
- Deutsche Forschungsgemeinschaft [STE 601/11-1]
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The radiosynthesis of [F-18]Fluspidine, a potent sigma(1) receptor imaging probe for pre-clinical/clinical studies, was implemented on a TRACERlab (TM) FX F-N synthesizer. [F-18]2 was synthesized in 15 min at 85 degrees C starting from its tosylate precursor. Purification via semi-preparative RP-HPLC was investigated using different columns and eluent compositions and was most successful on a polar RP phase with acetonitrile/water buffered with NH4OAc. After solid phase extraction, [F-18]Fluspidine was formulated and produced within 59 +/- 4 min with an overall radiochemical yield of 37 +/- 8%, a radiochemical purity of 99.3 +/- 0.5% and high specific activity (176.6 +/- 52.0 GBq/mu mol). (C) 2013 Elsevier Ltd. All rights reserved.
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