Synthesis and Evaluation of Novel Radioligands for Positron Emission Tomography Imaging of Metabotropic Glutamate Receptor Subtype 1 (mGluR1) in Rodent Brain
作者:Masayuki Fujinaga、Tomoteru Yamasaki、Joji Yui、Akiko Hatori、Lin Xie、Kazunori Kawamura、Chiharu Asagawa、Katsushi Kumata、Yuichiro Yoshida、Masanao Ogawa、Nobuki Nengaki、Toshimitsu Fukumura、Ming-Rong Zhang
DOI:10.1021/jm201590g
日期:2012.3.8
designed three novel positron emission tomography ligands, N-(4-(6-(isopropylamino)pyrimidin-4-yl)-1,3-thiazol-2-yl)-4-[11C]methoxy-N-methylbenzamide ([11C]6), 4-[18F]fluoroethoxy-N-[4-[6-(isopropylamino)pyrimidin-4-yl]-1,3-thiazol-2-yl]-N-methylbenzamide ([18F]7), and 4-[18F]fluoropropoxy-N-[4-[6-(isopropylamino)pyrimidin-4-yl]-1,3-thiazol-2-yl]-N-methylbenzamide ([18F]8), for imaging metabotropic glutamate
我们设计了三个新颖的正电子发射断层成像配体,N-(4-(6-(异丙基氨基)嘧啶-4-基)-1,3-噻唑-2-基)-4- [ 11 C]甲氧基-N-甲基苯甲酰胺( [ 11 C] 6),4- [ 18 F]氟乙氧基-N- [4- [6-(异丙基氨基)嘧啶-4-基] -1,3-噻唑-2-基] -N-甲基苯甲酰胺([ 18 F] 7)和4- [ 18 F]氟丙氧基-N- [4- [6-(异丙基氨基)嘧啶-4-基] -1,3-噻唑-2-基] -N-甲基苯甲酰胺([ 18 F ] 8),用于对啮齿动物脑中的1型代谢型谷氨酸受体(mGluR1)进行成像。通过4-嘧啶基-2-甲基氨基噻唑10的苯甲酰化,然后与异丙胺反应,合成未标记的化合物6。除去6中的甲基得到用于放射合成的苯酚前体12。通过使12与甲苯磺酸酯13和14反应制备了两个氟代烷氧基类似物7和8。放射性配体[ 11 C] 6,[ 18 F] 7和[