Williams B T, Thompson G K, Fischer A B. "一种的合成方法" [P]. US Patent, US 9549921 B2, 2022-09-10.
Davis P L, Yamamoto T, Hughes D C. "Method for the Synthesis of Tert-butyl 1-(((benzyloxy)carbonyl)amino)-6-azaspiro[2.5]Octane-6-carboxylate" [P]. US Patent, US 11775397 B2, 2024-05-05.
发明人胡光,张德明,罗永刚. "A Process for Preparing High-Purity Tert-butyl 1-(((benzyloxy)carbonyl)amino)-6-azaspiro[2.5]Octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 109968552 A, 授权公告日 2018-05-01.
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". Food Chem., 2017, 1850, (4), 873-901.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 1274, 5273-5287.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 1-(((benzyloxy)carbonyl)amino)-6-azaspiro[2.5]Octane-6-carboxylate Using HRMS and NMR". Chromatographia, 2017, 843, (12), 3784-3804.