Fig. 2From: Synthesis and preliminary preclinical evaluation of fluorine-18 labelled isatin-4-(4-methoxyphenyl)-3-thiosemicarbazone ([18F]4FIMPTC) as a novel PET tracer of P-glycoprotein expressionreaction conditions: (i) DMSO, [18F]fluoride, Kryptofix[2.2.2], K2CO3, 40 min. 140 °C (5–6% yield) (ii) ethanol, acetic acid, 30 min. 120 °C (35–50% yield)Back to article page