反应详情

Prepared from 1H-indole-6-carboxylic acid (4.0 g, 24.84 mmol, 1.0 eq) and tert-butyl piperazine-1-carboxylate (4.6 g, 24.84 mmol, 1.0 eq) in an analogous manner as described under procedure 1a). White solid. Yield: 5.0 g (61% of theory)