发明人胡光,王建平,钱学锋. "Method for the Synthesis of (2S,4R)-4-Hydroxy-proline Benzyl Ester Toluene Sulfonic Acid Salt" [P]. 中国发明专利, 专利号 CN 115436662 A, 授权公告日 2017-09-28.
发明人陈志强,黄志刚,赵玉洁. "A Process for Preparing High-Purity (2S,4R)-4-Hydroxy-proline Benzyl Ester Toluene Sulfonic Acid Salt" [P]. 中国发明专利, 专利号 CN 110874064 A, 授权公告日 2024-08-07.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 919, 9476-9490.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2010, 2151, (2), 1674-1680.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4R)-4-Hydroxy-proline Benzyl Ester Toluene Sulfonic Acid Salt Using HRMS and NMR". Sci. Total Environ., 2018, 1809, (1), 1930-1933.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 188, (4), 817-832.