Williams B T, Mueller T, Fischer A B. "Method for the Synthesis of (S)-2-((tert-Butoxycarbonyl)(isopropyl)amino)-3-(4-hydroxyphenyl)propanoic acid
1951445-21-8" [P]. US Patent, US 10079412 B2, 2021-08-15.
发明人徐明华,李文辉,孙丽萍. "A Process for Preparing High-Purity (S)-2-((tert-Butoxycarbonyl)(isopropyl)amino)-3-(4-hydroxyphenyl)propanoic acid
1951445-21-8" [P]. 中国发明专利, 专利号 CN 113979949 A, 授权公告日 2015-10-26.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 1746, (11), 8867-8891.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 2408, (8), 1240-1244.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-((tert-Butoxycarbonyl)(isopropyl)amino)-3-(4-hydroxyphenyl)propanoic acid
1951445-21-8 Using HRMS and NMR". Chromatographia, 2023, 619, (6), 2344-2358.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 1997, (9), 8795-8820.