发明人何建平,罗永刚,刘建华. "Method for the Synthesis of 7-benzyl-2-oxa-7-azaspiro[4.4]nonane-9-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 116078712 B, 授权公告日 2019-12-16.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 7-benzyl-2-oxa-7-azaspiro[4.4]nonane-9-carboxylic acid hydrochloride in Pharmaceutical Formulations". Chemosphere, 2017, 793, 1112-1126.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-benzyl-2-oxa-7-azaspiro[4.4]nonane-9-carboxylic acid hydrochloride as an Impurity". J. Agric. Food Chem., 2018, 1021, 2913-2938.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 7-benzyl-2-oxa-7-azaspiro[4.4]nonane-9-carboxylic acid hydrochloride Using HRMS and NMR". Sci. Total Environ., 2015, 717, (4), 1065-1090.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 7-benzyl-2-oxa-7-azaspiro[4.4]nonane-9-carboxylic acid hydrochloride Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2018, 128, 398-428.