Björnsson E, Rossi M, Schröder R. "一种的合成方法" [P]. European Patent, EP 3968529 A1, 2021-01-23.
Patel M V, Schröder R, Chen K W. "Method for the Synthesis of 3,3-Dimethyl-4-propionylpiperazin-2-one" [P]. US Patent, US 9591348 B2, 2015-03-19.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2025, 1486, (11), 3865-3889.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2010, 1920, 5944-5968.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3,3-Dimethyl-4-propionylpiperazin-2-one Using HRMS and NMR". Chemosphere, 2025, 1718, (5), 4286-4311.