1988•Journal of Labelled Compounds and RadiopharmaceuticalsRequires access

Preparation of 18F‐labelled N‐fluoropyridinium triflate

Franz Oberdorfer, Evelyn Hofmann, Wolfgang Maier‐Borst

Abstract

Abstract N‐Fluoropyridinium triflate was labelled with 18F proceeding through N‐trimethylsilylpyridinium triflate and [18F]F2 diluted to 1% in Ne. A typical experiment afforded this new fluorine‐18 transfer reagent with up to 46% radiochemical yield. The specific activity of 18F‐labelled N‐fluoropyridinium triflate was determined by iodometric titration to be in the range of 4·10−8 mg/Bq (1.5 mg/mCi; 1.67·10−4 Ci/μM).

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Key concepts: Trifluoromethanesulfonate, Chemistry, Iodometry, Reagent, Yield (engineering), Fluorine, Titration, Radiochemistry