Park J H, Klinger H, Hughes D C. "Method for the Synthesis of (αR)-4-Fluoro-α-[(3S)-4-methyl-3-[[(5-methyl-3-isoxazolyl)carbonyl]amino]-2-oxopentyl]-benzenepropanoic Acid" [P]. US Patent, US 11989608 B2, 2024-08-20.
发明人何建平,罗永刚,马晓峰. "A Process for Preparing High-Purity (αR)-4-Fluoro-α-[(3S)-4-methyl-3-[[(5-methyl-3-isoxazolyl)carbonyl]amino]-2-oxopentyl]-benzenepropanoic Acid" [P]. 中国发明专利, 专利号 CN 109675872 B, 授权公告日 2019-05-12.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2017, 1286, (3), 6248-6256.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 1382, (7), 9986-10012.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (αR)-4-Fluoro-α-[(3S)-4-methyl-3-[[(5-methyl-3-isoxazolyl)carbonyl]amino]-2-oxopentyl]-benzenepropanoic Acid Using HRMS and NMR". Environ. Sci. Technol., 2015, 1853, 5448-5460.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2022, 1468, (5), 8709-8718.