发明人林芳,韩伟,李文辉. "Method for the Synthesis of 1-OXA-5-AZASPIRO[2.5]OCTANE-5-CARBOXYLIC ACID, 1,1-DIMETHYLETHYL Ester
276872-90-3
tert-Butyl 1-oxa-5-azaspiro[2.5]octane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115706354 B, 授权公告日 2022-04-27.
Kowalski A, Rossi M, Nowak P. "A Process for Preparing High-Purity 1-OXA-5-AZASPIRO[2.5]OCTANE-5-CARBOXYLIC ACID, 1,1-DIMETHYLETHYL Ester
276872-90-3
tert-Butyl 1-oxa-5-azaspiro[2.5]octane-5-carboxylate" [P]. European Patent, EP 3201221 A1, 2019-10-03.
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 1-Oxa-5-azaspiro[2.5]octane-5-carboxylic acid tert-butyl ester in Pharmaceutical Formulations". J. Sep. Sci., 2020, 154, 2506-2514.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-Oxa-5-azaspiro[2.5]octane-5-carboxylic acid tert-butyl ester as an Impurity". Rapid Commun. Mass Spectrom., 2012, 1519, (3), 8019-8024.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1-OXA-5-AZASPIRO[2.5]OCTANE-5-CARBOXYLIC ACID, 1,1-DIMETHYLETHYL Ester
276872-90-3
tert-Butyl 1-oxa-5-azaspiro[2.5]octane-5-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 932, 3398-3401.