Ethyl 4-(piperazin-1-yl)benzoate → 4-{4-[5-(4-Chloro-3-iodo-phenylcarbamoyl)-pyridin-2-yl]-piperazin-1-yl}-benzoic acid ethyl ester

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4-{4-[5-(4-Chloro-3-iodo-phenylcarbamoyl)-pyridin-2-yl]-piperazin-1-yl}-benzoic acid ethyl ester was prepared from 6-chloro-N-(4-chloro-3-iodo-phenyl)-nicotinamide and 4-(piperazin-1-yl)-benzoic acid ethyl ester following a method similar to the one described in the synthesis of 4-{4-[5-(3-iodo-4-methyl-phenylcarbamoyl)-pyridin-2-yl]-piperazin-1-yl}-benzoic acid ethyl ester above. The product was isolated after suspension in small volume of EtOAc and filtration. HRMS m/z calcd for C25H24N4O3ClI [M+H]+: 591.0655. Found: 591.0655.

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