Lefèvre J P, Rossi M, Johansson L. "一种的合成方法" [P]. European Patent, EP 3500936 A1, 2016-06-21.
发明人唐晓军,张德明,何建平. "Method for the Synthesis of 1-Oxa-3,8-diazaspiro[4.5]decan-2-one; trifluoroacetic acid" [P]. 中国发明专利, 专利号 CN 108883886 B, 授权公告日 2023-10-01.
发明人张德明,罗永刚,杨光. "A Process for Preparing High-Purity 1-Oxa-3,8-diazaspiro[4.5]decan-2-one; trifluoroacetic acid" [P]. 中国发明专利, 专利号 CN 108007413 B, 授权公告日 2024-10-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 566, (5), 9472-9490.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 743, 4930-4945.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-Oxa-3,8-diazaspiro[4.5]decan-2-one; trifluoroacetic acid Using HRMS and NMR". Anal. Chim. Acta, 2014, 1106, (4), 7352-7380.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2011, 1291, 5823-5848.