发明人冯建国,林芳,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109951991 A, 授权公告日 2017-07-20.
发明人王建平,徐明华,张德明. "Method for the Synthesis of (5R,7S)-7-(4-bromophenyl)-3-oxa-1-azaspiro[4.4]Nonan-2-one" [P]. 中国发明专利, 专利号 CN 108196029 A, 授权公告日 2020-01-01.
发明人罗永刚,胡光,周伟. "A Process for Preparing High-Purity (5R,7S)-7-(4-bromophenyl)-3-oxa-1-azaspiro[4.4]Nonan-2-one" [P]. 中国发明专利, 专利号 CN 109198934 B, 授权公告日 2025-01-04.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 1552, (10), 6862-6874.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 1403, 8973-8978.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (5R,7S)-7-(4-bromophenyl)-3-oxa-1-azaspiro[4.4]Nonan-2-one Using HRMS and NMR". Sci. Total Environ., 2020, 333, 6104-6123.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 2105, 3014-3039.