Mueller T, Lee S K, Klinger H. "一种的合成方法" [P]. US Patent, US 10576679 B2, 2021-04-12.
发明人沈红梅,郭海燕,高志强. "Method for the Synthesis of tert-Butyl 8-oxo-5-oxa-2-azaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116452996 B, 授权公告日 2025-01-15.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 1850, (12), 4047-4062.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 1763, (7), 1808-1817.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 8-oxo-5-oxa-2-azaspiro[3.4]octane-2-carboxylate Using HRMS and NMR". Talanta, 2016, 2071, 615-637.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2022, 1542, 9440-9457.