Williams B T, O'Brien P Q, Chen K W. "一种2-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one的合成方法" [P]. US Patent, US 11310866 B2, 2018-04-24.
发明人胡光,陈志强,高志强. "Method for the Synthesis of 2-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one" [P]. 中国发明专利, 专利号 CN 113269665 A, 授权公告日 2025-08-22.
Fischer A B, Thompson G K, Roberts E F. "A Process for Preparing High-Purity 2-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one" [P]. US Patent, US 11706726 B2, 2017-11-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 2-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 413, (3), 4656-4673.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one as an Impurity". J. Agric. Food Chem., 2025, 2059, 9461-9477.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one Using HRMS and NMR". Anal. Chem., 2011, 1578, (2), 3911-3928.