Scheme 1

Radiosynthesis of [11C]1. Reagents and conditions: (i) [11C]CO, vinyl iodide, Pd2(dba)3, PPh3, tetrahydrofuran (THF), 5 min, 100 °C
Radiosynthesis of [11C]1. Reagents and conditions: (i) [11C]CO, vinyl iodide, Pd2(dba)3, PPh3, tetrahydrofuran (THF), 5 min, 100 °C