发明人郭海燕,冯建国,唐晓军. "Method for the Synthesis of tert-Butyl 7-bromo-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 111105638 A, 授权公告日 2025-11-01.
发明人周伟,黄志刚,郭海燕. "A Process for Preparing High-Purity tert-Butyl 7-bromo-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 115916472 B, 授权公告日 2017-03-01.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 930, 9680-9697.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 963, 4347-4360.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 7-bromo-4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate Using HRMS and NMR". Chromatographia, 2019, 1187, (3), 4306-4325.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 2223, (3), 103-108.