Anderson J P, Johnson M A, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10394344 B2, 2015-11-11.
Hughes D C, Kumar R, Thompson G K. "Method for the Synthesis of (3S,4S)-3-ethynyl-3-hydroxy-1,4-dimethyl-pyrrolidin-2-one" [P]. US Patent, US 10827684 B2, 2015-12-13.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 1169, (2), 261-288.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 640, 5384-5405.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (3S,4S)-3-ethynyl-3-hydroxy-1,4-dimethyl-pyrrolidin-2-one Using HRMS and NMR". Anal. Chim. Acta, 2011, 935, (3), 6409-6438.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 308, 1910-1923.