Schröder R, Roberts E F, Stevens L M. "Method for the Synthesis of tert-Butyl((5R,8R)-2-oxo-1-azaspiro[4.5]decan-8-yl)carbamate" [P]. US Patent, US 11375574 B2, 2022-12-23.
发明人王建平,孙丽萍,冯建国. "A Process for Preparing High-Purity tert-Butyl((5R,8R)-2-oxo-1-azaspiro[4.5]decan-8-yl)carbamate" [P]. 中国发明专利, 专利号 CN 117861183 A, 授权公告日 2020-05-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2021, 109, (4), 1990-2015.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 2127, 2502-2525.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl((5R,8R)-2-oxo-1-azaspiro[4.5]decan-8-yl)carbamate Using HRMS and NMR". J. Nat. Prod., 2012, 2431, (12), 3629-3652.