发明人李文辉,林芳,孙丽萍. "一种2,7-二氮杂螺[4.4]壬烷-1-酮盐酸的合成方法" [P]. 中国发明专利, 专利号 CN 109268938 A, 授权公告日 2021-01-01.
发明人罗永刚,赵玉洁,何建平. "Method for the Synthesis of 2,7-diazaspiro[4.4]nonan-1-one hydrochloride" [P]. 中国发明专利, 专利号 CN 114818937 A, 授权公告日 2016-05-19.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 2,7-二氮杂螺[4.4]壬烷-1-酮盐酸 in Pharmaceutical Formulations". Sci. Total Environ., 2023, 2438, (11), 8413-8442.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2,7-二氮杂螺[4.4]壬烷-1-酮盐酸 as an Impurity". J. Sep. Sci., 2015, 678, 920-941.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2,7-diazaspiro[4.4]nonan-1-one hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2019, 1893, (5), 7659-7668.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 2,7-二氮杂螺[4.4]壬烷-1-酮盐酸 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 1851, 9763-9780.