Fischer A B, Patel M V, Hughes D C. "一种的合成方法" [P]. US Patent, US 9351266 B2, 2018-04-19.
发明人唐晓军,黄志刚,林芳. "Method for the Synthesis of (S)-2-Amino-3-methyl-N-((R)-1-methylpyrrolidin-3-yl)butanamide" [P]. 中国发明专利, 专利号 CN 115902964 B, 授权公告日 2023-01-27.
发明人沈红梅,郑宇鹏,孙丽萍. "A Process for Preparing High-Purity (S)-2-Amino-3-methyl-N-((R)-1-methylpyrrolidin-3-yl)butanamide" [P]. 中国发明专利, 专利号 CN 116229756 A, 授权公告日 2023-06-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 1819, 1139-1155.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 1214, (11), 1929-1945.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-3-methyl-N-((R)-1-methylpyrrolidin-3-yl)butanamide Using HRMS and NMR". Sci. Total Environ., 2014, 1032, (1), 8239-8269.