发明人胡光,马晓峰,何建平. "Method for the Synthesis of 6-Methanesulfonyl-3,4-dihydro-2h-1,4-benzoxazine" [P]. 中国发明专利, 专利号 CN 108688085 A, 授权公告日 2023-03-26.
Patel M V, Williams B T, Kumar R. "A Process for Preparing High-Purity 6-Methanesulfonyl-3,4-dihydro-2h-1,4-benzoxazine" [P]. US Patent, US 9194590 B2, 2024-04-23.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 996, (9), 9393-9396.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 1766, (7), 688-706.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methanesulfonyl-3,4-dihydro-2h-1,4-benzoxazine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 659, 245-248.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2023, 1303, (2), 7308-7319.