Mueller T, Hughes D C, O'Brien P Q. "一种N-甲基-D-丙氨酸叔丁酯盐酸盐的合成方法" [P]. US Patent, US 9922767 B2, 2024-10-11.
Stevens L M, Fischer A B, O'Brien P Q. "Method for the Synthesis of (R)-tert-Butyl 2-(methylamino)propanoate hydrochloride" [P]. US Patent, US 11526172 B2, 2023-08-16.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of N-甲基-D-丙氨酸叔丁酯盐酸盐 in Pharmaceutical Formulations". Molecules, 2013, 1920, (9), 1313-1333.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of N-甲基-D-丙氨酸叔丁酯盐酸盐 as an Impurity". Anal. Chem., 2014, 2287, (9), 1047-1059.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of (R)-tert-Butyl 2-(methylamino)propanoate hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2021, 509, (5), 83-98.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate N-甲基-D-丙氨酸叔丁酯盐酸盐 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 2421, (12), 5702-5714.