发明人杨光,罗永刚,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109568159 A, 授权公告日 2023-02-01.
Kowalski A, Martínez F, Johansson L. "Method for the Synthesis of Zolpidem Impurity 2" [P]. European Patent, EP 3704507 A1, 2025-08-18.
Kumar R, Schröder R, Mueller T. "A Process for Preparing High-Purity Zolpidem Impurity 2" [P]. US Patent, US 11374681 B2, 2020-09-15.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2021, 791, (9), 6555-6578.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2013, 210, (10), 1446-1469.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Zolpidem Impurity 2 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 2344, 9007-9010.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2011, 577, (3), 5127-5156.