1-Cyclopropyl-piperazin-2-one

1-Cyclopropyl-2-piperazinone can be used as a pharmaceutical intermediate for the synthesis of compounds having the following structure: 4-(4-cyclopropyl-3-oxopiperazin-1-yl)-N-(5-(2-fluoro-6-methoxyphenyl)-1H-pyrazolo[3,4-c]pyridin-3-yl)benzamide.