The radiosynthesis of N-(5-(((5-(tert-butyl)oxazol-2-yl)methyl)thio)thiazol-2-yl)-4-[18 F]fluoro-benzamide [ 18 F]2 as a potential radiotracer for molecular imaging of cyclin-dependent kinase-2 (CDK-2) expression in vivo by positron emission tomography is described. Two different synthesis routes were envisaged. The first approach followed direct radiofluorination of respective nitro-and trimethylammonium substituted benzamides as labeling precursors with no-carrier-added (n.c.a.
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