Schröder R, Jørgensen K, Rossi M. "一种的合成方法" [P]. European Patent, EP 3033154 A1, 2017-01-22.
发明人林芳,周伟,罗永刚. "Method for the Synthesis of Methyl 1-oxo-1H-isothiochromene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116562163 A, 授权公告日 2021-06-17.
发明人徐明华,高志强,钱学锋. "A Process for Preparing High-Purity Methyl 1-oxo-1H-isothiochromene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116160120 B, 授权公告日 2022-05-22.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 2366, (7), 1942-1972.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 500, (8), 5494-5520.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1-oxo-1H-isothiochromene-3-carboxylate Using HRMS and NMR". Food Chem., 2017, 1242, (11), 2273-2294.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 1482, (5), 496-505.