发明人沈红梅,郑宇鹏,李文辉. "Method for the Synthesis of R-Tetrahydropapaverine N-acetyl-L-leucinate" [P]. 中国发明专利, 专利号 CN 117172823 A, 授权公告日 2015-02-24.
发明人赵玉洁,黄志刚,陈志强. "A Process for Preparing High-Purity R-Tetrahydropapaverine N-acetyl-L-leucinate" [P]. 中国发明专利, 专利号 CN 109206505 B, 授权公告日 2022-07-19.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of R-四氢罂粟碱 in Pharmaceutical Formulations". Food Chem., 2013, 1557, 1680-1683.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of R-四氢罂粟碱 as an Impurity". J. Sep. Sci., 2022, 1420, 1767-1770.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of R-Tetrahydropapaverine N-acetyl-L-leucinate Using HRMS and NMR". Environ. Sci. Technol., 2014, 2047, 4736-4748.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate R-四氢罂粟碱 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 217, 7559-7567.