Nowak P, Martínez F, Jørgensen K. "一种6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one的合成方法" [P]. European Patent, EP 3390879 A1, 2017-04-10.
发明人张德明,赵玉洁,高志强. "Method for the Synthesis of 6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one" [P]. 中国发明专利, 专利号 CN 113153765 B, 授权公告日 2022-04-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one in Pharmaceutical Formulations". Chemosphere, 2021, 107, (9), 46-70.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one as an Impurity". Sci. Total Environ., 2020, 1051, (7), 9812-9841.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one Using HRMS and NMR". Anal. Methods, 2021, 1522, (12), 1086-1114.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 6-methoxy-3,4-dihydro-2H-1-benzothiopyran-4-one Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 1697, (11), 3223-3242.