Björnsson E, Sørensen M, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3888836 A1, 2017-03-27.
Williams B T, Roberts E F, Thompson G K. "Method for the Synthesis of tert-Butyl 4-(4-oxocyclohexyl)piperazine-1-carboxylate" [P]. US Patent, US 10887503 B2, 2022-05-16.
Brown S R, Fischer A B, Johnson M A. "A Process for Preparing High-Purity tert-Butyl 4-(4-oxocyclohexyl)piperazine-1-carboxylate" [P]. US Patent, US 10016541 B2, 2024-02-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 545, (10), 7108-7136.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 587, (8), 4071-4095.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-(4-oxocyclohexyl)piperazine-1-carboxylate Using HRMS and NMR". Anal. Methods, 2021, 1750, (11), 9209-9230.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 2155, 4442-4467.