Johnson M A, Thompson G K, Davis P L. "一种的合成方法" [P]. US Patent, US 10491937 B2, 2022-05-04.
发明人王建平,朱建伟,周伟. "Method for the Synthesis of Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117855284 B, 授权公告日 2018-04-19.
发明人沈红梅,赵玉洁,钱学锋. "A Process for Preparing High-Purity Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108560471 A, 授权公告日 2018-07-13.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2021, 158, (7), 1497-1516.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2012, 2473, (8), 811-841.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-3-carboxylate Using HRMS and NMR". Phytochemistry, 2020, 1103, 3835-3852.