“…A variety of 18 F-containing aldehydes/hemi-acetal prosthetic groups such as 6-(2- [18 F]fluorohexyloxy)nicotinaldehyde ( 51 ), [53] 4-formylbenzene-1-sulfonyl [18 F]fluoride ( 52 ), [54] 3-formyl-2,4,6-trimethylbenzene-1-sulfonyl [18 F]fluoride ( 53 ), [54] 2-(2-(2- [18 F]fluoroethoxy)ethoxy)acetaldehyde ( 54 ), [55] 4- [18 F]fluorobenzaldehyde ( [18 F]FBA, 55 ), 55b
p -(di- tert -butyl [18 F]fluorosilyl)benzaldehyde ( [18 F]SiFA-A, 56 ), [56] 2-deoxy-2- [18 F]fluoroglucose ( [18 F]FDG, 57 ) [57] and 5-deoxy-5- [18 F]fluororibose( [18 F]FDR, 58 ) [58] have been developed for 18 F-labeling of biomolecules (Figure 9). …”