Jørgensen K, Schröder R, Johansson L. "一种的合成方法" [P]. European Patent, EP 3648712 A1, 2018-01-09.
Björnsson E, Johansson L, Nielsen H. "Method for the Synthesis of (R)-6-oxa-2-azaspiro[3.4]Octan-8-amine" [P]. European Patent, EP 3372546 A1, 2022-01-18.
Patel M V, Stevens L M, Kumar R. "A Process for Preparing High-Purity (R)-6-oxa-2-azaspiro[3.4]Octan-8-amine" [P]. US Patent, US 11251269 B2, 2023-10-17.
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". Food Chem., 2024, 2095, (7), 4610-4636.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 1078, (4), 7742-7759.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (R)-6-oxa-2-azaspiro[3.4]Octan-8-amine Using HRMS and NMR". Anal. Chim. Acta, 2020, 629, 119-136.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2011, 886, (12), 8707-8734.