Fischer A B, Williams B T, Johnson M A. "一种的合成方法" [P]. US Patent, US 10963360 B2, 2021-01-05.
Schröder R, Lefèvre J P, Johansson L. "Method for the Synthesis of 4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-carboxylic acid" [P]. European Patent, EP 3839349 A1, 2017-12-12.
发明人何建平,徐明华,张德明. "A Process for Preparing High-Purity 4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117125008 A, 授权公告日 2023-07-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 2002, (8), 7502-7515.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2003, 3319-3322.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-carboxylic acid Using HRMS and NMR". Chemosphere, 2014, 1174, 5340-5345.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 2320, (10), 8753-8780.