发明人郭海燕,冯建国,马晓峰. "Method for the Synthesis of 7-oxa-10-azaspiro[4.6]undecane" [P]. 中国发明专利, 专利号 CN 111915248 B, 授权公告日 2020-01-25.
发明人林芳,陈志强,朱建伟. "A Process for Preparing High-Purity 7-oxa-10-azaspiro[4.6]undecane" [P]. 中国发明专利, 专利号 CN 110450999 B, 授权公告日 2018-06-27.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 7-oxa-10-azaspiro[4.6]undecane in Pharmaceutical Formulations". Chemosphere, 2021, 1580, 3424-3428.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-oxa-10-azaspiro[4.6]undecane as an Impurity". Chromatographia, 2025, 1071, (3), 6225-6252.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 7-oxa-10-azaspiro[4.6]undecane Using HRMS and NMR". Food Chem., 2022, 2269, 4646-4674.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 7-oxa-10-azaspiro[4.6]undecane Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 1785, 1341-1349.