Ethanesulfonamide → N-(3-tert-Butyl-phenyl)-6-[4-(4-ethanesulfonylaminocarbonyl-cyclohexanecarbonyl)-piperazin-1-yl]-nicotinamide

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N-(3-tert-Butyl-phenyl)-6-[4-(4-ethanesulfonylaminocarbonyl-cyclohexanecarbonyl)-piperazin-1-yl]-nicotinamide was prepared from 4-{4-[5-(3-tert-butyl-phenylcarbamoyl)-pyridin-2-yl]-piperazine-1-carbonyl}-cyclohexanecarboxylic acid and ethyl sulfonamide in a manner similar to the one described in the synthesis of 4-(2-methyl-propane-2-sulfonylaminocarbonyl)-3,4,5,6-tetrahydro-2H-[1,2′]bipyridinyl-5′-carboxylic acid (4-iodo-3-methyl-phenyl)-amide above. The product was isolated after silica gel purification with 0-3% MeOH in CH2Cl2 gradient. HRMS m/z calcd for C30H41N5O5S [M+H]+: 584.2901. Found: 584.2902.

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