Yamamoto T, Park J H, Schröder R. "一种的合成方法" [P]. US Patent, US 11456936 B2, 2022-10-27.
Anderson J P, Johnson M A, Hughes D C. "Method for the Synthesis of 8-tert-Butyl 3-ethyl 2,8-diazaspiro[4.5]decane-3,8-dicarboxylate" [P]. US Patent, US 11915783 B2, 2018-10-09.
发明人胡光,何建平,罗永刚. "A Process for Preparing High-Purity 8-tert-Butyl 3-ethyl 2,8-diazaspiro[4.5]decane-3,8-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111791079 A, 授权公告日 2019-01-17.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2019, 2267, (2), 172-191.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 2238, 5256-5283.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 8-tert-Butyl 3-ethyl 2,8-diazaspiro[4.5]decane-3,8-dicarboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1700, (5), 4995-5019.