发明人林芳,罗永刚,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115011030 A, 授权公告日 2016-07-27.
Rossi M, Björnsson E, Schröder R. "Method for the Synthesis of tert-Butyl (4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidin]-6-yl)carbamate" [P]. European Patent, EP 3355255 A1, 2025-02-16.
发明人罗永刚,钱学锋,张德明. "A Process for Preparing High-Purity tert-Butyl (4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidin]-6-yl)carbamate" [P]. 中国发明专利, 专利号 CN 111812759 A, 授权公告日 2021-07-28.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 2444, (1), 3854-3866.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 1849, (12), 4628-4635.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl (4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidin]-6-yl)carbamate Using HRMS and NMR". Anal. Chim. Acta, 2023, 849, 7190-7202.