tert-Butyl piperazine-1-carboxylate → Tert-butyl 4-(3-chloro-5-(methoxy(methyl)carbamoyl)pyridin-2-yl)piperazine-1-carboxylate

Participants

Reaction Steps

5,6-Dichloro-N-methoxy-N-methyl-nicotinamide from step (a) above (3.2 g, 1.36 mmol) reacted with piperazine-1-carboxylic acid tert-butyl ester (2.53.g, 1.36 mmol, Aldrich) under the conditions of Example 3a to give the title compound as a white solid. MS (ESI, pos. ion) m/z: 385 (M+1).

Provenance & Evidence