Lee S K, Davis P L, Stevens L M. "Method for the Synthesis of (S)-3-((tert-butoxycarbonyl)amino)-3-(3,5-dimethoxyphenyl)propanoic acid" [P]. US Patent, US 9644116 B2, 2017-03-17.
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. Agric. Food Chem., 2014, 1924, (10), 4059-4071.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 2235, 9637-9653.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (S)-3-((tert-butoxycarbonyl)amino)-3-(3,5-dimethoxyphenyl)propanoic acid Using HRMS and NMR". J. Sep. Sci., 2015, 1678, 3279-3290.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2018, 453, 398-427.