发明人刘建华,韩伟,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113392774 A, 授权公告日 2020-08-12.
发明人张德明,赵玉洁,李文辉. "Method for the Synthesis of 2-(Benzofuran-2-yl)-2-(4-(tert-butoxycarbonyl)piperazin-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 111705215 A, 授权公告日 2018-04-23.
发明人赵玉洁,沈红梅,高志强. "A Process for Preparing High-Purity 2-(Benzofuran-2-yl)-2-(4-(tert-butoxycarbonyl)piperazin-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109633681 A, 授权公告日 2015-04-20.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 893, (2), 331-344.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 1950, 5570-5575.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Benzofuran-2-yl)-2-(4-(tert-butoxycarbonyl)piperazin-1-yl)acetic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 343, (12), 7618-7648.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2010, 2439, (8), 892-904.