发明人杨光,李文辉,陈志强. "Method for the Synthesis of (R)-3-((tert-butoxycarbonyl)amino)-2-(2,3-dimethoxybenzyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 117921779 A, 授权公告日 2024-05-11.
发明人徐明华,罗永刚,唐晓军. "A Process for Preparing High-Purity (R)-3-((tert-butoxycarbonyl)amino)-2-(2,3-dimethoxybenzyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113941633 A, 授权公告日 2018-10-12.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 1906, (2), 1788-1805.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 479, (1), 2202-2206.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-3-((tert-butoxycarbonyl)amino)-2-(2,3-dimethoxybenzyl)propanoic acid Using HRMS and NMR". J. Sep. Sci., 2016, 447, (9), 8045-8066.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 455, 8564-8593.