18F Labeled benzimidazole derivatives as potential radiotracer for positron emission tomography (PET) tumor imaging
作者:Shuting Zhang、Xiao Wang、Yong He、Rui Ding、Hang Liu、Jingli Xu、Man Feng、Guixia Li、Ming Wang、Cheng Peng、Chuanmin Qi
DOI:10.1016/j.bmc.2010.02.060
日期:2010.4
article reported the synthesis and bioevaluation of two [18F] labeled benzimidazole derivatives, 4-(5-(2-[18F] fluoro-4-nitrobenzamido)-1-methyl-1H-benzimidazol-2-yl) butanoic acid ([18F] FNBMBBA, [18F]a1) and 3-(2-fluoroethyl)-7-methyl-2-propyl-3H-benzimidazole-5-carboxylic acid ([18F] FEMPBBA, [18F]b1) for PET tumor imaging. The preparation [18F] FEMPBBA was completed in 1 h with overall radiochemical
本文报道了两种[ 18 F]标记的苯并咪唑衍生物4-(5-(2- [ 18 [ ]氟-4-硝基苯甲酰胺基)-1-甲基-1 H-苯并咪唑-2-基)丁酸的合成和生物评价。酸([ 18 F] FNBMBBA,[ 18 F] a1)和3-(2-氟乙基)-7-甲基-2-丙基-3 H-苯并咪唑-5-羧酸([ 18 F] FEMPBBA,[ 18 F ] b1)用于PET肿瘤成像。制备[ 18 F] FEMPBBA的过程在1小时内完成,总放射化学产率为50-60%(未校正衰变)。进行了两种化合物在S180荷瘤小鼠中的生物分布测定,结果均有意义。[ 18F] FEMPBBA(可作为[ 18 F] FNBMBBA的修订版)获得了出色的结果,并且在同一动物模型中,与L- [ 18 F] FET和[ 18 F] -FDG相比,在某些方面具有明显的优势,特别是在肿瘤/大脑摄取率方面。[ 18 F] FEMPBBA