Johnson M A, Klinger H, Hughes D C. "一种1-甲基-2-氮杂环丁酮的合成方法" [P]. US Patent, US 9307423 B2, 2019-02-06.
Rossi M, Martínez F, Schröder R. "Method for the Synthesis of 1-Methyl-2-azetidinone" [P]. European Patent, EP 3469866 A1, 2025-10-15.
Jørgensen K, Rossi M, Mueller T C. "A Process for Preparing High-Purity 1-Methyl-2-azetidinone" [P]. European Patent, EP 3863671 A1, 2020-08-18.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 1-甲基-2-氮杂环丁酮 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 663, (11), 5815-5839.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-甲基-2-氮杂环丁酮 as an Impurity". Phytochemistry, 2015, 1586, (1), 6350-6376.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-2-azetidinone Using HRMS and NMR". Anal. Chem., 2011, 2240, 4126-4132.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 1-甲基-2-氮杂环丁酮 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 211, 9628-9642.