SCH 430765 and SCH 500496 are potent and selective antagonists of the NPY5 receptor. NPY5 receptor antagonists have the potential for the treatment of obesity. [35S]SCH 500946 was prepared for a competition binding assay which led to the identification of SCH 430765. Three distinct isotopically labelled forms of SCH 430765 were synthesized. [3H]SCH 430765 was prepared for a preliminary absorption, distribution, metabolism and excretion data evaluation of the compound and [14C]SCH 430765 for more definitive absorption, distribution, metabolism and excretion data work. In addition, [13C2,2H4]SCH 430765 was prepared as an internal standard for a LC‐MS bioanalytical method. The paper discusses the synthesis of 3 isotopically labelled forms of SCH 430765 and [35S]SCH 500946.
Synthesis of 3H, 13C2, 2H414C‐SCH 430765 and 35S‐SCH 500946, potent and selective inhibitors of the NPY5 receptor
Hesk, D., Koharski, D., Mcnamara, P., Royster, P., Saluja, S., Truong, V., & Voronin, K. (2018). Synthesis of 3H, 13C2, 2H414C‐SCH 430765 and 35S‐SCH 500946, potent and selective inhibitors of the NPY5 receptor. Journal of Labelled Compounds and Radiopharmaceuticals, 61(7), 533-539. https://doi.org/10.1002/jlcr.v61.7
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