Evaluation of 5H-Thiazolo[3,2-α]pyrimidin-5-ones as Potential GluN2A PET Tracers was written by He, Yingfang;Whitehead, David M.;Briard, Emmanuelle;Numao, Shin;Mu, Linjing;Schibli, Roger;Ametamey, Simon M.;Auberson, Yves P.. And the article was included in ChemMedChem in 2020.Quality Control of 4-(Ethylamino)benzonitrile This article mentions the following:
The authors describe their efforts to develop a PET tracer for imaging GluN2A-containing NMDA receptors, based on a 5H-thiazolo[3,2-α]pyrimidin-5-one scaffold. The metabolic stability and overall properties were optimized satisfactorily, although binding affinities remained a limiting factor for in vivo imaging. The authors identified [18F]pyrimidinone I as a radioligand providing good-quality images in autoradiog. studies, as well as [3H2]pyrimidinylcyclopropanecarbonitrile II, which was used for the successful development of a radioligand binding assay. These are valuable new tools for the study of GluN2A-containing NMDA receptors, and for the optimization of allosteric modulators binding to the pharmacophore located at the dimer interface of the GluN1-GluN2A ligand-binding domain. In the experiment, the researchers used many compounds, for example, 4-(Ethylamino)benzonitrile (cas: 4714-63-0Quality Control of 4-(Ethylamino)benzonitrile).
4-(Ethylamino)benzonitrile (cas: 4714-63-0) belongs to nitriles. Nitriles are polar, as indicated by high dipole moments. As liquids, they have high relative permittivities, often in the 30s. Nitriles are susceptible to hydrogenation over diverse metal catalysts. The reaction can afford either the primary amine (RCH2NH2) or the tertiary amine ((RCH2)3N), depending on conditions.Quality Control of 4-(Ethylamino)benzonitrile
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts