The translocator protein 18kDa (TSPO) is an attractive target for molecular imaging of neuroinflammation and tumor progression.[18F] PBR06, a fluorine-18 labeled form of PBR06, is a promising PET TSPO radioligand originally developed at NIMH.[11C] PBR06, a carbon-11 labeled form of PBR06, was designed and synthesized for the first time. The standard PBR06 was synthesized from 2, 5-dimethoxybenzaldehyde in three steps with ...