发明人孙丽萍,郭海燕,高志强. "一种1,4-Dioxa-7-azaspiro[4.4]nonane的合成方法" [P]. 中国发明专利, 专利号 CN 117311884 A, 授权公告日 2025-11-28.
发明人郭海燕,钱学锋,杨光. "Method for the Synthesis of 1,4-Dioxa-7-azaspiro[4.4]nonane" [P]. 中国发明专利, 专利号 CN 108824038 A, 授权公告日 2017-10-11.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 1,4-Dioxa-7-azaspiro[4.4]nonane in Pharmaceutical Formulations". Chromatographia, 2022, 108, (1), 748-752.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,4-Dioxa-7-azaspiro[4.4]nonane as an Impurity". Biomed. Chromatogr., 2012, 258, (10), 8596-8620.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1,4-Dioxa-7-azaspiro[4.4]nonane Using HRMS and NMR". J. Nat. Prod., 2010, 1439, (9), 2650-2680.