Björnsson E, Rossi M, Schröder R. "Method for the Synthesis of Butyl 2-amino-3-(1H-indol-3-yl)propanoate" [P]. European Patent, EP 3730381 A1, 2020-12-07.
Patel M V, Brown S R, Kumar R. "A Process for Preparing High-Purity Butyl 2-amino-3-(1H-indol-3-yl)propanoate" [P]. US Patent, US 9536041 B2, 2024-02-08.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 1814, (8), 8662-8678.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 2278, (8), 7047-7060.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Butyl 2-amino-3-(1H-indol-3-yl)propanoate Using HRMS and NMR". Anal. Chem., 2014, 889, 7489-7517.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2017, 2442, (5), 6984-6992.