发明人杨光,冯建国,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111085732 A, 授权公告日 2023-08-21.
Roberts E F, Chen K W, Hughes D C. "Method for the Synthesis of Tert-butyl 6-methyl-8-oxa-2,5-diazaspiro[3.5]Nonane-2-carboxylate" [P]. US Patent, US 10550867 B2, 2021-05-14.
发明人韩伟,马晓峰,罗永刚. "A Process for Preparing High-Purity Tert-butyl 6-methyl-8-oxa-2,5-diazaspiro[3.5]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110915861 B, 授权公告日 2023-02-14.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 1837, 3009-3020.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 2018, 5865-5890.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 6-methyl-8-oxa-2,5-diazaspiro[3.5]Nonane-2-carboxylate Using HRMS and NMR". Anal. Chem., 2025, 929, (9), 6358-6382.