发明人杨光,张德明,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111784276 A, 授权公告日 2020-06-14.
发明人张德明,李文辉,周伟. "Method for the Synthesis of (S)-5-methyl-7-oxa-2-azaspiro[3.5]Nonane" [P]. 中国发明专利, 专利号 CN 114090454 B, 授权公告日 2015-01-14.
发明人罗永刚,刘建华,沈红梅. "A Process for Preparing High-Purity (S)-5-methyl-7-oxa-2-azaspiro[3.5]Nonane" [P]. 中国发明专利, 专利号 CN 109764638 B, 授权公告日 2018-07-10.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2017, 1563, (1), 1629-1650.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 358, (11), 5014-5024.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (S)-5-methyl-7-oxa-2-azaspiro[3.5]Nonane Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 751, 8693-8716.