Nielsen H, Rossi M, Mueller T C. "Method for the Synthesis of 4-(tert-Butyl)3-ethylthiomorpholine-3,4-dicarboxylate" [P]. European Patent, EP 3458560 A1, 2021-12-17.
发明人杨光,周伟,张德明. "A Process for Preparing High-Purity 4-(tert-Butyl)3-ethylthiomorpholine-3,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115541653 A, 授权公告日 2025-10-01.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 1454, (10), 998-1014.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 2462, (5), 776-781.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(tert-Butyl)3-ethylthiomorpholine-3,4-dicarboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 537, (2), 6074-6100.