Johnson M A, Davis P L, O'Brien P Q. "一种h-DL-asp-ome的合成方法" [P]. US Patent, US 9486736 B2, 2020-04-19.
Patel M V, Stevens L M, O'Brien P Q. "Method for the Synthesis of 3-amino-4-methoxy-4-oxobutanoic acid
65414-77-9
DL-Aspartic acid alpha-methyl ester" [P]. US Patent, US 10818633 B2, 2018-04-19.
Kumar R, Park J H, Williams B T. "A Process for Preparing High-Purity 3-amino-4-methoxy-4-oxobutanoic acid
65414-77-9
DL-Aspartic acid alpha-methyl ester" [P]. US Patent, US 9780180 B2, 2024-01-16.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of h-DL-asp-ome in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 669, (2), 8651-8673.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of h-DL-asp-ome as an Impurity". Anal. Chim. Acta, 2014, 775, (7), 2575-2596.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-amino-4-methoxy-4-oxobutanoic acid
65414-77-9
DL-Aspartic acid alpha-methyl ester Using HRMS and NMR". Chemosphere, 2023, 1074, 1879-1888.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate h-DL-asp-ome Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1508, (4), 7349-7370.