发明人王建平,周伟,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112520167 A, 授权公告日 2019-01-14.
发明人郭海燕,高志强,刘建华. "Method for the Synthesis of tert-Butyl 2-oxo-1,4,8-triazaspiro[4.5]decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 116099143 B, 授权公告日 2022-10-10.
Anderson J P, Hughes D C, Stevens L M. "A Process for Preparing High-Purity tert-Butyl 2-oxo-1,4,8-triazaspiro[4.5]decane-8-carboxylate" [P]. US Patent, US 9343743 B2, 2025-08-22.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2020, 2348, (6), 2667-2679.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 1979, 4580-4602.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-oxo-1,4,8-triazaspiro[4.5]decane-8-carboxylate Using HRMS and NMR". Molecules, 2016, 656, (10), 9611-9618.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2018, 1828, 6239-6264.