Kumar R, Schröder R, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9416711 B2, 2022-05-18.
Björnsson E, Schröder R, Jørgensen K. "Method for the Synthesis of 3-(Tert-butyl) 1-methyl (R)-piperazine-1,3-dicarboxylate" [P]. European Patent, EP 3656912 A1, 2020-10-16.
发明人冯建国,钱学锋,郑宇鹏. "A Process for Preparing High-Purity 3-(Tert-butyl) 1-methyl (R)-piperazine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 114639039 B, 授权公告日 2022-08-05.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 659, 9782-9802.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2014, 1943, (3), 3480-3490.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Tert-butyl) 1-methyl (R)-piperazine-1,3-dicarboxylate Using HRMS and NMR". J. Chromatogr. A, 2020, 1100, (6), 77-81.