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Radiosynthesis of [11C]SNAP-7941--the first PET-tracer for the melanin concentrating hormone receptor 1 (MCHR1).

C Philippe | E Schirmer | M Mitterhauser | K Shanab | R Lanzenberger | G Karanikas | H Spreitzer | H Viernstein | W Wadsak
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine | 2012

The melanin concentrating hormone (MCH) system is a new target to treat human disorders. Our aim was the preparation of the first PET-tracer for the MCHR1. [(11)C]SNAP-7941 is a carbon-11 labeled analog of the published MCHR1 antagonist SNAP-7941. The optimum reaction conditions were 2 min reaction time, ≤25°C reaction temperature, and 2 mg/mL precursor (SNAP-acid) in acetonitrile, using [(11)C]CH(3)OTf as methylation agent. [(11)C]SNAP-7941 was prepared in a reliable and feasible manner with high radiochemical yields (2.9±1.6 GBq; 11.5±6.4% EOB, n=15).

Pubmed ID: 22858577

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Associated grants

  • Agency: Austrian Science Fund FWF, Austria
    Id: P 20977

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RRID:SCR_001287

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