Disclosed is a method for producing precursors for 2-[18F]fluorophenylalanine and 6-[18F]fluoro-L-meta-tyrosine and the α-methylated derivatives thereof, to the precursor, and to a method for producing 2-[18F]fluorophenylalanine and 6-[18F]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-[18F]fluorophenylalanine and 6-[18F]fluoro-L-meta-tyrosine. The enantiomeric purity of the product is ≧98%.
本发明涉及一种用于制备2-[18F]
氟苯丙
氨酸和6-[18F]
氟-L-间-
酪氨酸及其α-
甲基衍
生物的前体物的方法,以及前体物和从特定前体物制备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。提供了一个公式(3)的化合物,可实现L-3,4-二羟基-6-[18F]
氟苯丙
氨酸和6-[18F]
氟-L-间-
酪氨酸的自动合成。产品的对映体纯度≧98%。