Scheme 2From: [11C]phenytoin revisited: synthesis by [11C]CO carbonylation and first evaluation as a P-gp tracer in rats Radiolabeling of [11 C]phenytoin 4. (i) [11C]CO, Rh(II) acetate dimer, DPPE, THF, 5 min, 250 bar, 120°C, 22 ± 4% overall yield.Back to article page