发明人杨光,王建平,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112176122 A, 授权公告日 2021-07-11.
发明人沈红梅,周伟,徐明华. "Method for the Synthesis of Tert-butyl 7-chloro-2,3-dihydro-4H-benzo[b][1,4]oxazine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111697680 B, 授权公告日 2021-07-06.
Mueller T C, Johansson L, Björnsson E. "A Process for Preparing High-Purity Tert-butyl 7-chloro-2,3-dihydro-4H-benzo[b][1,4]oxazine-4-carboxylate" [P]. European Patent, EP 3315445 A1, 2016-10-02.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2025, 1580, 9350-9353.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 1770, (8), 1173-1203.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 7-chloro-2,3-dihydro-4H-benzo[b][1,4]oxazine-4-carboxylate Using HRMS and NMR". Chemosphere, 2020, 1721, (4), 1303-1318.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2010, 1169, (2), 4104-4127.