Johnson M A, Park J H, Thompson G K. "Method for the Synthesis of (R)-2-(Hydroxymethyl)butanoic acid" [P]. US Patent, US 9142849 B2, 2020-11-26.
发明人高志强,王建平,刘建华. "A Process for Preparing High-Purity (R)-2-(Hydroxymethyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 113771587 B, 授权公告日 2021-03-06.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of (r)-2-羟甲基丁酸 in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 1908, (12), 7988-8000.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of (r)-2-羟甲基丁酸 as an Impurity". Talanta, 2012, 1418, (10), 9173-9187.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-(Hydroxymethyl)butanoic acid Using HRMS and NMR". J. Agric. Food Chem., 2012, 969, (4), 3858-3861.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate (r)-2-羟甲基丁酸 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 838, 5038-5062.