发明人陈志强,马晓峰,钱学锋. "Method for the Synthesis of 2-(3-((Tert-butoxycarbonyl)amino)azetidin-3-yl)-2,2-difluoroacetic acid" [P]. 中国发明专利, 专利号 CN 114710282 A, 授权公告日 2018-02-01.
发明人孙丽萍,赵玉洁,马晓峰. "A Process for Preparing High-Purity 2-(3-((Tert-butoxycarbonyl)amino)azetidin-3-yl)-2,2-difluoroacetic acid" [P]. 中国发明专利, 专利号 CN 115834938 B, 授权公告日 2019-12-10.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2019, 176, (6), 6550-6553.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2016, 2087, 3805-3816.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-((Tert-butoxycarbonyl)amino)azetidin-3-yl)-2,2-difluoroacetic acid Using HRMS and NMR". Sci. Total Environ., 2013, 867, 6904-6926.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2023, 833, 3938-3956.