Schröder R, Björnsson E, Kowalski A. "一种3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile的合成方法" [P]. European Patent, EP 3198031 A1, 2022-05-02.
发明人郭海燕,陈志强,胡光. "Method for the Synthesis of 3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 108831284 B, 授权公告日 2022-08-10.
Patel M V, Thompson G K, Kumar R. "A Process for Preparing High-Purity 3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile" [P]. US Patent, US 9928471 B2, 2025-09-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 1220, 7539-7555.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile as an Impurity". Rapid Commun. Mass Spectrom., 2025, 2375, (5), 7289-7303.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile Using HRMS and NMR". Biomed. Chromatogr., 2019, 87, 4452-4482.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 3,4-dihydro-2H-1-benzothiopyran-4-carbonitrile Profile in Drug Substances According to ICH Guidelines". Food Chem., 2018, 880, 3294-3312.