Labeling and Evaluation of <i>N</i>-[<sup>11</sup>C]Methylated Quinoline-2-carboxamides as Potential Radioligands for Visualization of Peripheral Benzodiazepine Receptors
作者:Mario Matarrese、Rosa Maria Moresco、Andrea Cappelli、Maurizio Anzini、Salvatore Vomero、Pasquale Simonelli、Elisa Verza、Fulvio Magni、Francesco Sudati、Dmitri Soloviev、Sergio Todde、Assunta Carpinelli、Marzia Galli Kienle、Ferruccio Fazio
DOI:10.1021/jm001004h
日期:2001.2.1
thylpropyl)-3-isoquinolinecarboxamide (PK 11195, 1) showed high specific binding to PBR of [11C]4, [11C]5, and [11C]6 in heart, lung, kidney, adrenal gland, spleen, and brain. The biological data suggest that [11C]5, [11C]6, and particularly [11C]4 are promising radioligands for PBR imaging in vivo with PET.
新的喹啉-2-羧酰胺衍生物N- [甲基-11C] -3-甲基-4-苯基-N-(苯甲基)喹啉-2-羧酰胺([11C] 4),(+/-)-N- [甲基-11C] -3-甲基-N-(1-甲基丙基)-4-苯基喹啉-2-羧酰胺([11C] 5)和(+/-)-N- [甲基-11C] -3-甲基- 4-(2-氟苯基)-N-(1-甲基丙基)喹啉-2-羧酰胺([11C] 6)用碳11标记(t1 / 2 = 20.4分钟,β+ = 99.8%)作为潜在的放射性配体。用正电子发射断层扫描(PET)对体内外周苯二氮卓类受体(PBR)进行无创评估。放射性合成由去甲基前体3-甲基-4-苯基-N-(苯基甲基)喹啉-2-羧酰胺(4a),(+/-)-3-甲基-N-(1-甲基丙基)的N-甲基化组成-4-苯基喹啉-2-羧酰胺(5a),和(+/-)-4-(2-氟苯基)-3-甲基-N-(1-甲基丙基)喹啉-2-羧酰胺(6a)与[1