Yamamoto T, Anderson J P, Patel M V. "一种的合成方法" [P]. US Patent, US 9610480 B2, 2024-11-02.
Klinger H, O'Brien P Q, Yamamoto T. "Method for the Synthesis of 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one" [P]. US Patent, US 10575952 B2, 2020-07-18.
发明人高志强,罗永刚,冯建国. "A Process for Preparing High-Purity 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 109518769 A, 授权公告日 2023-07-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 465, (3), 8962-8986.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 160, (7), 2027-2030.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 2163, 2065-2072.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 104, (9), 8064-8084.