发明人唐晓军,何建平,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108584684 A, 授权公告日 2023-04-05.
发明人黄志刚,徐明华,郑宇鹏. "Method for the Synthesis of Tert-butyl 6-methoxy-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 111282635 A, 授权公告日 2017-01-11.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 1128, (3), 9322-9328.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 1608, 6194-6203.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 6-methoxy-2-oxospiro[indoline-3,4'-piperidine]-1'-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 394, (10), 3839-3850.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 2088, (3), 784-803.