Recommanded Product: 56621-48-8. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 4-(Piperazin-1-yl)phenol, is researched, Molecular C10H14N2O, CAS is 56621-48-8, about Synthesis of novel WAY 100635 derivatives containing a norbornene group and radiofluorination of [18F]AH1.MZ as a serotonin 5-HT1A receptor antagonist for molecular imaging. Author is Herth, Matthias M.; Kramer, Vasko; Roesch, Frank.
5-HT1A receptors are involved in a variety of psychiatric disorders and in vivo mol. imaging of the 5-HT1A status represents an important approach to analyze and treat these disorders. We report herein the synthesis of three new fluoroethylated 5-HT1A ligands (AH1.MZ, AH2.MZ and AH3.MZ) as arylpiperazine derivatives containing a norbornene group. AH1.MZ (Ki = 4.2 nM) and AH2.MZ (Ki = 30 nM) showed reasonable in vitro affinities to the 5-HT1A receptor, whereas AH3.MZ appeared to be non-affine toward the 5-HT1A receptor. The receptor profile of AH1.MZ and AH2.MZ showed selectivity within the 5-HT system. 18F-labeling via [18F]FETos to [18F]AH1.MZ was carried out in radiochem. yields of > 70%. The final formulation of injectable solutions including [18F]FETos synthon synthesis, radiosynthesis and semipreparative high-performance liquid chromatog. (HPLC) separation took no longer than 130 min and provided [18F]AH1.MZ with a purity of >98% as indicated by anal. HPLC analyses.
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