Schröder R, Martínez F, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3412069 A1, 2023-06-04.
Johnson M A, Roberts E F, Schröder R. "Method for the Synthesis of 5-Hydroxy-7-(4-methylphenyl)-2H-1,3-benzoxathiol-2-one" [P]. US Patent, US 11084826 B2, 2024-12-16.
Fischer A B, Thompson G K, Kumar R. "A Process for Preparing High-Purity 5-Hydroxy-7-(4-methylphenyl)-2H-1,3-benzoxathiol-2-one" [P]. US Patent, US 10449504 B2, 2016-11-22.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 2030, 152-157.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 1942, 5148-5169.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-7-(4-methylphenyl)-2H-1,3-benzoxathiol-2-one Using HRMS and NMR". Anal. Chim. Acta, 2012, 1021, 8598-8602.