发明人何建平,高志强,孙丽萍. "Method for the Synthesis of (1S,3R,4R)-2-tert-Butyl 3-ethyl 2-azabicyclo[2.2.1]heptane-2,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 108388816 B, 授权公告日 2020-04-23.
发明人高志强,王建平,周伟. "A Process for Preparing High-Purity (1S,3R,4R)-2-tert-Butyl 3-ethyl 2-azabicyclo[2.2.1]heptane-2,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117085791 A, 授权公告日 2025-01-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2010, 399, 4472-4495.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 1777, 4187-4191.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (1S,3R,4R)-2-tert-Butyl 3-ethyl 2-azabicyclo[2.2.1]heptane-2,3-dicarboxylate Using HRMS and NMR". Molecules, 2011, 1949, (8), 1742-1763.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 2243, (9), 3695-3724.