Synthesis of a New Carbon-11–Labeled Sulfamate Derivative as a Potential PET Tracer for Imaging of Breast Cancer Aromatase and Steroid Sulfatase Expression
作者:Min Wang、Mingzhang Gao、Kathy D. Miller、Qi-Huang Zheng
DOI:10.1080/00397911003797825
日期:2011.3.28
Abstract A carbon-11-labeled sulfamate derivative was designed and synthesized as a new potential positron-emission-tomography dual aromatase–steroid sulfatase inhibitor radiotracer for imaging of aromatase and steroid sulfatase expression in breast cancer. The target tracer 2-chloro-4-(((4-cyanophenyl)(4H-1,2,4-triazol-4-yl)amino)methyl)-6-[11C]methoxyphenyl sulfamate ([11C]7) was prepared from its
摘要 设计并合成了一种碳 11 标记的氨基磺酸盐衍生物,作为一种新的潜在正电子发射断层扫描双芳香化酶-类固醇硫酸酯酶抑制剂放射性示踪剂,用于对乳腺癌中芳香化酶和类固醇硫酸酯酶的表达进行成像。目标示踪剂 2-氯-4-(((4-氰基苯基)(4H-1,2,4-三唑-4-基)氨基)甲基)-6-[11C]甲氧基苯基氨基磺酸酯([11C]7)是由其相应的前体 2-chloro-4-(((4-cyanophenyl)(4H-1,2,4-triazol-4-yl)amino)methyl)-6-hydroxyphenyl sulfamate (18) 与 [11C]CH3OTf 制备在碱性条件下通过 O-[11C] 甲基化并通过反相高效液相色谱法分离,基于 [11C]CO2 的放射化学产率为 40-45%,衰减校正至轰击结束。合成结束时的比活为111-185 GBq/μmol。