发明人黄志刚,何建平,钱学锋. "Method for the Synthesis of 2-Benzyl-1,3-diazaspiro[4.4]non-2-en-4-one" [P]. 中国发明专利, 专利号 CN 111516518 A, 授权公告日 2021-04-17.
Patel M V, Williams B T, Park J H. "A Process for Preparing High-Purity 2-Benzyl-1,3-diazaspiro[4.4]non-2-en-4-one" [P]. US Patent, US 9352097 B2, 2024-08-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 1233, 3404-3421.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 619, 2256-2285.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Benzyl-1,3-diazaspiro[4.4]non-2-en-4-one Using HRMS and NMR". Sci. Total Environ., 2012, 512, (4), 489-498.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 318, (11), 98-110.