Disclosed is a method for producing precursors for 2-[
18
F]fluorophenylalanine and 6-[
18
F]fluoro-L-meta-tyrosine and the α-methylated derivatives thereof, to the precursor, and to a method for producing 2-[
18
F]fluorophenylalanine and 6-[
18
F]fluoro-L-meta-tyrosine and the α-methylated derivatives thereof from particular precursor. A compound of formula (3) is provided which enables an automated synthesis of L-3,4-dihydroxy-6-[
18
F]fluorophenylalanine and 6-[
18
F]fluoro-L-meta-tyrosine. The enantiomeric purity of the product is ≧98%.
本文揭示了一种用于生产2-[18F]
氟苯丙
氨酸和6-[18F]
氟-L-间
酪氨酸及其α-甲基衍
生物的前体的方法,以及用于从特定前体生产2-[18F]
氟苯丙
氨酸和6-[18F]
氟-L-间
酪氨酸及其α-甲基衍
生物的方法。提供了一种化合物的结构式(3),该化合物使得可以自动合成L-3,4-二羟基-6-[18F]
氟苯丙
氨酸和6-[18F]
氟-L-间
酪氨酸。产品的对映纯度≧98%。