期刊
BIOORGANIC CHEMISTRY
卷 96, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2020.103582
关键词
Serotonin; SPECT imaging; 5-HT4; Radio-iodination; LLE
资金
- Regional Council of Normandy
- FEDER
- Crunch Network
- la Ligue Contre le Cancer
- ARC foundation
- University of Caen
- Tremplin Carnot I2C
- French Ministry of Research
A series of iodinated ligands for the SPECT imaging of 5-HT4 receptors was designed starting from the previously reported hit MR-26132. We focused on the modulation of the piperidine-containing lateral chain by introducing hydrophilic groups in order to decrease the liphophilicity of the new ligands. All the synthesized compounds were tested for their binding affinities on 5-HT(4)Rs and based on the Ligand Lipophilicity Efficiency approach, compound 13 was further selected for radioiodination with iodine-125 and imaging experiments. Compound 13 showed its ability to displace the specific signal of the reference compound [I-125] SB-207710 but no significant detection of [I-125]13 was observed in vivo in SPECT experiments.
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