Kowalski A, Martínez F, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3491496 A1, 2017-04-23.
Williams B T, Davis P L, Mueller T. "Method for the Synthesis of Ethyl (4-amino-1,1-dioxidotetrahydrothiophen-3-yl)carbamate" [P]. US Patent, US 10101307 B2, 2025-02-15.
Thompson G K, Brown S R, Mueller T. "A Process for Preparing High-Purity Ethyl (4-amino-1,1-dioxidotetrahydrothiophen-3-yl)carbamate" [P]. US Patent, US 9532813 B2, 2021-11-27.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 126, (4), 1665-1677.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 628, 351-373.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (4-amino-1,1-dioxidotetrahydrothiophen-3-yl)carbamate Using HRMS and NMR". Chromatographia, 2011, 1984, (12), 4096-4116.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 631, 2700-2704.