An improved approach to the synthesis of 1-O-(8-[F-18]fluorooctanoyl)-2-O-palmitoyl-rac-glycerol (rac-1,2-[F-18]FDAG) has been developed. We designed and synthesized two new types of precursors for the radiosynthesis and investigated their general utility. Each precursor was smoothly radiofluorinated (5 min) and the protecting soup at the 3-O-position was rapidly removed (1 min). The resulting rac-1,2-[F-18]FDAG was obtained in overall radiochemical yields of 20-30% (EOB) within 70 min including final preparative HPLC separation.
Furumoto; Nagata; Iwata, Journal of labelled compounds and radiopharmaceuticals, 1999, vol. 42, # SUPPL. 1, p. S644-S645