发明人高志强,刘建华,陈志强. "Method for the Synthesis of 5-Chloro-3-hydroxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 116013593 B, 授权公告日 2015-06-21.
Schröder R, Roberts E F, Chen K W. "A Process for Preparing High-Purity 5-Chloro-3-hydroxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide" [P]. US Patent, US 11682676 B2, 2023-02-14.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 2099, (4), 385-405.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 2275, 2633-2643.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-3-hydroxy-2,3-dihydrobenzo[b]thiophene 1,1-dioxide Using HRMS and NMR". Anal. Chim. Acta, 2012, 562, (2), 5909-5925.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2021, 1396, (5), 8572-8592.