4-(1-Methylcyclopropan-1-yl)piperazine-1-carboxylic acid benzyl ester → 1-(1-Methylcyclopropyl)piperazine

Participants

Reaction Steps

4-(1-Methylcyclopropan-1-yl)piperazine-1-carboxylic acid benzyl ester (509 mg, 1.86 mmol) was dissolved in ethanol (20 mL), and 10% palladium hydroxide/carbon (100 mg) was added thereto. The mixture was stirred for 20 hours at room temperature under a hydrogen stream at normal pressure. The catalyst was separated by filtration, and then the reaction liquor was concentrated under reduced pressure, and dried to obtain the title compound (193 mg, 74%) as an oily matter. This compound was used in the subsequent reaction without performing further purification.

Provenance & Evidence