Nowak P, Martínez F, Schröder R. "一种的合成方法" [P]. European Patent, EP 3716639 A1, 2017-07-26.
发明人郭海燕,孙丽萍,郑宇鹏. "Method for the Synthesis of (S)-2-tert-Butylcarboxamide-4-tert-butoxycarbonylpiperazine" [P]. 中国发明专利, 专利号 CN 111697244 B, 授权公告日 2022-05-21.
Mueller T, Fischer A B, Hughes D C. "A Process for Preparing High-Purity (S)-2-tert-Butylcarboxamide-4-tert-butoxycarbonylpiperazine" [P]. US Patent, US 11835587 B2, 2021-04-10.
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". Chemosphere, 2015, 969, (5), 3288-3306.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 2151, 8352-8355.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-tert-Butylcarboxamide-4-tert-butoxycarbonylpiperazine Using HRMS and NMR". Talanta, 2016, 353, 2670-2678.