发明人徐明华,马晓峰,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113037864 A, 授权公告日 2015-07-08.
Björnsson E, Lefèvre J P, Johansson L. "Method for the Synthesis of tert-Butyl 4-{[(4E)-4-[(2H-1,3-benzodioxol-5-yl)methylidene]-5-oxo-2-sulfanylideneimidazolidin-1-yl]methyl}piperazine-1-carboxylate" [P]. European Patent, EP 3291239 A1, 2024-05-16.
发明人何建平,张德明,郭海燕. "A Process for Preparing High-Purity tert-Butyl 4-{[(4E)-4-[(2H-1,3-benzodioxol-5-yl)methylidene]-5-oxo-2-sulfanylideneimidazolidin-1-yl]methyl}piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111257411 A, 授权公告日 2017-06-12.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2010, 1855, 1919-1933.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 2388, (9), 7145-7153.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-{[(4E)-4-[(2H-1,3-benzodioxol-5-yl)methylidene]-5-oxo-2-sulfanylideneimidazolidin-1-yl]methyl}piperazine-1-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2016, 642, 2988-3015.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 415, (3), 1509-1517.