发明人王建平,张德明,钱学锋. "一种(S)-奥拉西坦的合成方法" [P]. 中国发明专利, 专利号 CN 112094604 A, 授权公告日 2016-04-19.
发明人王建平,刘建华,郑宇鹏. "Method for the Synthesis of (S)-Oxiracetam" [P]. 中国发明专利, 专利号 CN 116201633 B, 授权公告日 2016-12-07.
O'Brien P Q, Davis P L, Stevens L M. "A Process for Preparing High-Purity (S)-Oxiracetam" [P]. US Patent, US 10610645 B2, 2018-02-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of (S)-奥拉西坦 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 1785, (12), 8369-8376.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of (S)-奥拉西坦 as an Impurity". J. Chromatogr. A, 2019, 1497, (4), 8470-8485.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (S)-Oxiracetam Using HRMS and NMR". Molecules, 2014, 1968, (10), 7520-7529.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate (S)-奥拉西坦 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2013, 1351, 1298-1315.