Johansson L, Jørgensen K, Rossi M. "一种的合成方法" [P]. European Patent, EP 3331683 A1, 2016-08-05.
Kowalski A, Jørgensen K, Nowak P. "Method for the Synthesis of (R)-3-(4-(tert-Butoxycarbonyl)-2-isopropylpiperazin-1-yl)propanoic acid" [P]. European Patent, EP 3569305 A1, 2021-12-07.
Johnson M A, Brown S R, Mueller T. "A Process for Preparing High-Purity (R)-3-(4-(tert-Butoxycarbonyl)-2-isopropylpiperazin-1-yl)propanoic acid" [P]. US Patent, US 11172955 B2, 2019-11-09.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2010, 1577, (10), 8562-8577.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 417, 9618-9630.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (R)-3-(4-(tert-Butoxycarbonyl)-2-isopropylpiperazin-1-yl)propanoic acid Using HRMS and NMR". Biomed. Chromatogr., 2022, 2149, (3), 5667-5682.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 1390, (3), 3370-3392.