Nowak P, Mueller T C, Rossi M. "一种的合成方法" [P]. European Patent, EP 3039194 A1, 2017-12-24.
Klinger H, Fischer A B, Kumar R. "Method for the Synthesis of 3-(6-Hydroxy-2,5,7,8-tetramethylchroman-2-yl)propanoic acid" [P]. US Patent, US 9434142 B2, 2015-06-28.
Thompson G K, Stevens L M, Johnson M A. "A Process for Preparing High-Purity 3-(6-Hydroxy-2,5,7,8-tetramethylchroman-2-yl)propanoic acid" [P]. US Patent, US 9678102 B2, 2023-06-22.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 431, 443-446.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 159, (2), 1901-1927.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-(6-Hydroxy-2,5,7,8-tetramethylchroman-2-yl)propanoic acid Using HRMS and NMR". Chromatographia, 2014, 1791, (3), 5663-5667.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2025, 877, (9), 4104-4114.