Kowalski A, Björnsson E, Nowak P. "一种的合成方法" [P]. European Patent, EP 3612744 A1, 2015-04-25.
Park J H, Lee S K, Davis P L. "Method for the Synthesis of rel-(1S,2S,4R)-tert-Butyl 2-amino-7-azabicyclo[2.2.1]heptane-7-carboxylate hydrochloride" [P]. US Patent, US 10880512 B2, 2019-10-14.
Williams B T, Fischer A B, O'Brien P Q. "A Process for Preparing High-Purity rel-(1S,2S,4R)-tert-Butyl 2-amino-7-azabicyclo[2.2.1]heptane-7-carboxylate hydrochloride" [P]. US Patent, US 9154184 B2, 2018-02-05.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2019, 763, (7), 5752-5766.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2022, 2056, 2103-2118.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of rel-(1S,2S,4R)-tert-Butyl 2-amino-7-azabicyclo[2.2.1]heptane-7-carboxylate hydrochloride Using HRMS and NMR". Anal. Chem., 2020, 245, (7), 3452-3469.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2014, 2134, (7), 3370-3392.