发明人何建平,高志强,郭海燕. "Method for the Synthesis of tert-butyl (1R,4R)-5-chlorocarbonyl-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112074815 B, 授权公告日 2019-09-02.
发明人王建平,郭海燕,黄志刚. "A Process for Preparing High-Purity tert-butyl (1R,4R)-5-chlorocarbonyl-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110941215 B, 授权公告日 2025-04-21.
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., 2024, 1281, 7206-7214.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 780, (10), 4297-4311.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of tert-butyl (1R,4R)-5-chlorocarbonyl-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2021, 2025, (4), 1321-1346.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2021, 2358, 7004-7008.