发明人杨光,郭海燕,沈红梅. "Method for the Synthesis of Tert-butyl 5-oxa-2,8-diazaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116033789 B, 授权公告日 2017-07-19.
Nielsen H, Martínez F, Schröder R. "A Process for Preparing High-Purity Tert-butyl 5-oxa-2,8-diazaspiro[3.4]Octane-2-carboxylate" [P]. European Patent, EP 3741915 A1, 2020-12-13.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2015, 1792, (10), 6058-6075.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2013, 1488, (12), 6984-6988.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 5-oxa-2,8-diazaspiro[3.4]Octane-2-carboxylate Using HRMS and NMR". Anal. Methods, 2012, 186, (12), 7701-7717.