Nielsen H, Lefèvre J P, Nowak P. "一种(S)-2-氨基-2-(3,5-二氟苯基)乙酸的合成方法" [P]. European Patent, EP 3993892 A1, 2018-05-12.
Hughes D C, Patel M V, Yamamoto T. "Method for the Synthesis of (S)-2-Amino-2-(3,5-difluorophenyl)acetic acid" [P]. US Patent, US 9213993 B2, 2021-01-10.
发明人韩伟,何建平,刘建华. "A Process for Preparing High-Purity (S)-2-Amino-2-(3,5-difluorophenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 114910782 A, 授权公告日 2016-10-08.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of (S)-2-氨基-2-(3,5-二氟苯基)乙酸 in Pharmaceutical Formulations". J. Nat. Prod., 2011, 2363, 2796-2804.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of (S)-2-氨基-2-(3,5-二氟苯基)乙酸 as an Impurity". Food Chem., 2016, 1425, 3862-3880.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-2-(3,5-difluorophenyl)acetic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 687, (2), 9213-9231.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate (S)-2-氨基-2-(3,5-二氟苯基)乙酸 Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 753, (1), 4305-4332.