O'Brien P Q, Patel M V, Thompson G K. "一种的合成方法" [P]. US Patent, US 10440507 B2, 2019-04-07.
Kumar R, Klinger H, Yamamoto T. "Method for the Synthesis of tert-Butyl (1S,5R)-3,8-diazaspiro[bicyclo[3.2.1]octane-2,1'-cyclopropane]-8-carboxylate" [P]. US Patent, US 9722220 B2, 2015-07-05.
Schröder R, Mueller T C, Sørensen M. "A Process for Preparing High-Purity tert-Butyl (1S,5R)-3,8-diazaspiro[bicyclo[3.2.1]octane-2,1'-cyclopropane]-8-carboxylate" [P]. European Patent, EP 3630932 A1, 2023-09-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 1839, (6), 1162-1192.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 1269, (8), 9688-9706.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl (1S,5R)-3,8-diazaspiro[bicyclo[3.2.1]octane-2,1'-cyclopropane]-8-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2018, 1575, (11), 4244-4271.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 591, 9214-9217.