New fluorine-substituted analogue of eticlopride with high affinity toward dopamine D2 receptors

K Watanabe, T Fukumura, S SASAKI… - Chemical and …, 1991 - jstage.jst.go.jp
K Watanabe, T Fukumura, S SASAKI, M Maeda, S Takehara
Chemical and pharmaceutical bulletin, 1991jstage.jst.go.jp
抄録 Aiming at the development of positron-emitting ligands with specific and high affinity
toward dopamine D2 receptors in the central nervous system, we synthesized a new
fluorinated eticlopride derivative. A fluorine atom was introduced at the C-4 position of the
pyrrolidine ring of eticlopride, a dopamine D2 antagonist of the benzamide series. The in
vitro binding affinity of this ligand toward the D2 receptor was found to be as potent as
eticlopride, suggesting that the corresponding 18 F-labelled compound may be useful as an …
抄録
Aiming at the development of positron-emitting ligands with specific and high affinity toward dopamine D2 receptors in the central nervous system, we synthesized a new fluorinated eticlopride derivative. A fluorine atom was introduced at the C-4 position of the pyrrolidine ring of eticlopride, a dopamine D2 antagonist of the benzamide series. The in vitro binding affinity of this ligand toward the D2 receptor was found to be as potent as eticlopride, suggesting that the corresponding 18 F-labelled compound may be useful as an in vivo radioligand for postron emission tomography.
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