发明人高志强,张德明,刘建华. "Method for the Synthesis of Tert-butyl (R)-4-amino-2-methyl-2-(methylsulfonyl)butanoate" [P]. 中国发明专利, 专利号 CN 109209036 B, 授权公告日 2025-10-16.
发明人韩伟,张德明,冯建国. "A Process for Preparing High-Purity Tert-butyl (R)-4-amino-2-methyl-2-(methylsulfonyl)butanoate" [P]. 中国发明专利, 专利号 CN 114675695 A, 授权公告日 2022-06-20.
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 in Pharmaceutical Formulations". Talanta, 2022, 1062, (8), 2328-2350.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 513, (10), 196-204.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (R)-4-amino-2-methyl-2-(methylsulfonyl)butanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 185, 7538-7564.