发明人孙丽萍,林芳,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109526583 A, 授权公告日 2021-12-28.
发明人郑宇鹏,朱建伟,刘建华. "Method for the Synthesis of 6-(2-Chloroacetyl)-2H-1,4-benzoxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 111959072 B, 授权公告日 2019-04-05.
Williams B T, O'Brien P Q, Chen K W. "A Process for Preparing High-Purity 6-(2-Chloroacetyl)-2H-1,4-benzoxazin-3(4H)-one" [P]. US Patent, US 10463685 B2, 2024-03-27.
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, 2010, 1183, (10), 172-199.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 1716, (1), 1693-1711.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-(2-Chloroacetyl)-2H-1,4-benzoxazin-3(4H)-one Using HRMS and NMR". Anal. Chim. Acta, 2013, 252, 6247-6263.