Scheme 4From: Radiofluorination and biological evaluation of N-aryl-oxadiazolyl-propionamides as potential radioligands for PET imaging of cannabinoid CB2 receptors Radiosynthesis of [18 F]1 and [18 F]2. K[18F]F-K2.2.2-carbonate complex (5.6 mg, 15 μmol), 2 mg (15 or 13), MeCN, 82°C, 10 min.Back to article page