2,4-Dioxo-5-thiazolidineacetic acid → 6-{4-[2-(2,4-Dioxo-thiazolidin-5-yl)-acetyl]-piperazin-1-yl}-N-(3-iodo-4-methyl-phenyl)-nicotinamide

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6-{4-[2-(2,4-Dioxo-thiazolidin-5-yl)-acetyl]-piperazin-1-yl}-N-(3-iodo-4-methyl-phenyl)-nicotinamide was synthesized by the ECDI coupling of N-(3-iodo-4-methyl-phenyl)-6-piperazin-1-yl-nicotinamide and 2-(2,4-dioxo-thiazolidin-5-yl)-acetic acid in a manner similar to the one described in the synthesis of 4-{4-[5-(3-tert-butyl-phenylcarbamoyl)-pyridin-2-yl]-piperazine-1-carbonyl}-cyclohexanecarboxylic acid methyl ester, above. LCMS calcd for C22H22IN5O4S (m/e) 579, obsd 580 (M+H).

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