发明人陈志强,韩伟,郭海燕. "Method for the Synthesis of rac-(2R,3R)-1-ethyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114975228 B, 授权公告日 2021-05-21.
Yamamoto T, Williams B T, Stevens L M. "A Process for Preparing High-Purity rac-(2R,3R)-1-ethyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylic acid" [P]. US Patent, US 10239610 B2, 2018-05-16.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of rac-(2R,3R)-1-ethyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylic acid in Pharmaceutical Formulations". Talanta, 2012, 1591, 3871-3896.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of rac-(2R,3R)-1-ethyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylic acid as an Impurity". J. Chromatogr. A, 2024, 1993, 4756-4770.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of rac-(2R,3R)-1-ethyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2017, 629, 8929-8950.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate rac-(2R,3R)-1-ethyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2022, 1070, 5023-5047.