Lefèvre J P, Nielsen H, Björnsson E. "一种8-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine hydrochloride的合成方法" [P]. European Patent, EP 3108973 A1, 2019-01-25.
Williams B T, Patel M V, O'Brien P Q. "Method for the Synthesis of 8-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine hydrochloride" [P]. US Patent, US 10913060 B2, 2016-01-18.
发明人郭海燕,陈志强,杨光. "A Process for Preparing High-Purity 8-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine hydrochloride" [P]. 中国发明专利, 专利号 CN 117804895 A, 授权公告日 2019-06-16.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 8-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine hydrochloride in Pharmaceutical Formulations". Environ. Sci. Technol., 2023, 1111, (8), 5462-5465.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 8-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine hydrochloride as an Impurity". J. Pharm. Biomed. Anal., 2012, 1377, (1), 321-332.