反应详情

In the same manner as in Production Example 5-1, but using tert-butyl piperazine-1-carboxylate in place of N-ethylpiperazine used in Production Example 5-1, using 2-fluoro-5-nitrotoluene in place of 2-fluoro-5-nitrobenzyl alcohol, using N,N-diisopropylethylamine in place of potassium carbonate, and using dimethylsulfoxide in place of N-methylpyrrolidone, 4.91 g of crude tert-butyl 4-[2-methyl-4-nitrophenyl]piperazine-1-carboxylate was obtained as a yellow solid.