发明人徐明华,张德明,陈志强. "Method for the Synthesis of 2-(6-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-yl)ethan-1-ol hydrochloride" [P]. 中国发明专利, 专利号 CN 114057214 B, 授权公告日 2025-10-02.
发明人周伟,赵玉洁,陈志强. "A Process for Preparing High-Purity 2-(6-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-yl)ethan-1-ol hydrochloride" [P]. 中国发明专利, 专利号 CN 110818655 B, 授权公告日 2022-10-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(6-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-yl)ethan-1-ol hydrochloride in Pharmaceutical Formulations". Molecules, 2019, 441, (10), 4842-4856.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(6-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-yl)ethan-1-ol hydrochloride as an Impurity". J. Sep. Sci., 2019, 2472, 6933-6957.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(6-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-yl)ethan-1-ol hydrochloride Using HRMS and NMR". J. Chromatogr. A, 2011, 876, 1033-1039.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 2-(6-fluoro-3,4-dihydro-2H-1,4-benzoxazin-3-yl)ethan-1-ol hydrochloride Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 1216, 5941-5964.