Synthesis of new bis(aminoethanethiol) (BAT) derivatives: possible ligands for 99mTc brain imaging agents
作者:H. F. Kung、C. C. Yu、J. Billings、M. Molnan、M. Blau
DOI:10.1021/jm00147a028
日期:1985.9
In developing new brain perfusion imaging agents for single photon emission computed tomography (SPECT), five 99mTc-labeled neutral bis(aminoethanethiol) (BAT) derivatives capable of crossing the blood-brain barrier are reported. The five ligands are prepared by two versatile synthetic methods that can specifically introduce substituents on one of the carbons between two nitrogens. These ligands formed
在开发用于单光子发射计算机断层扫描(SPECT)的新型脑灌注显像剂时,据报道有五种99mTc标记的中性双(氨基乙硫醇)(BAT)衍生物能够穿过血脑屏障。这五个配体是通过两种通用的合成方法制备的,该方法可以在两个氮原子之间的一个碳原子上特异性引入取代基。这些配体使用Sn(II)或硼氢化钠还原[99mTc]高tech酸钠,与还原的99mTc形成稳定的中性络合物。用可自由扩散的示踪剂[125I]碘安替比林作为内部参照物评估大鼠的生物分布。具有游离羟基(6和15)的化合物显示出较低的大脑摄取。对于化合物10和14,分别观察到1.28和2.30%剂量/器官的高初始脑摄取。