发明人沈红梅,赵玉洁,李文辉. "Method for the Synthesis of 1-(tert-Butyl)2-Ethyl(S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate" [P]. 中国发明专利, 专利号 CN 114255770 A, 授权公告日 2017-09-17.
发明人黄志刚,徐明华,罗永刚. "A Process for Preparing High-Purity 1-(tert-Butyl)2-Ethyl(S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116630131 A, 授权公告日 2024-07-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 424, (3), 4972-5002.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 250, (7), 5650-5666.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(tert-Butyl)2-Ethyl(S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate Using HRMS and NMR". Talanta, 2011, 2189, 4773-4789.