Yamamoto T, Williams B T, Hughes D C. "一种的合成方法" [P]. US Patent, US 9189302 B2, 2015-07-26.
Klinger H, Patel M V, Yamamoto T. "Method for the Synthesis of (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-2-methoxyphenoxy)-2-pyrrolidinecarboxylic acid" [P]. US Patent, US 9884568 B2, 2023-10-12.
发明人林芳,马晓峰,高志强. "A Process for Preparing High-Purity (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-2-methoxyphenoxy)-2-pyrrolidinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 112287349 B, 授权公告日 2025-08-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 734, (4), 6162-6183.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2013, 740, (11), 7185-7193.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-2-methoxyphenoxy)-2-pyrrolidinecarboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2010, 278, (11), 6254-6263.