发明人郑宇鹏,杨光,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112132375 A, 授权公告日 2023-07-08.
发明人何建平,胡光,罗永刚. "Method for the Synthesis of tert-Butyl 6-amino-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 114931880 B, 授权公告日 2016-11-25.
发明人沈红梅,周伟,胡光. "A Process for Preparing High-Purity tert-Butyl 6-amino-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 115861600 B, 授权公告日 2023-12-10.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 2335, (2), 7404-7409.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 2101, (9), 1844-1870.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 6-amino-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate Using HRMS and NMR". J. Sep. Sci., 2010, 1053, (10), 7755-7768.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2013, 1147, (8), 6968-6990.