发明人刘建华,郑宇鹏,唐晓军. "Method for the Synthesis of (2S,4S)-4-(2-(tert-Butoxy)-2-oxoethyl)-1-(tert-butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113309528 B, 授权公告日 2025-10-13.
发明人钱学锋,高志强,何建平. "A Process for Preparing High-Purity (2S,4S)-4-(2-(tert-Butoxy)-2-oxoethyl)-1-(tert-butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113793517 B, 授权公告日 2023-12-19.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2015, 1795, (10), 9646-9653.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 2406, 4764-4782.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4S)-4-(2-(tert-Butoxy)-2-oxoethyl)-1-(tert-butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2017, 1924, 5509-5513.